20429431600

素因数分解:

$2^4\times 5^2\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{173}}^1$

素因数の和:408

約数の個数: 240

約数和(自身を含む): 51849717120

約数和(自身を除く): 31420285520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 37, 40, 50, 74, 79, 80, 100, 101, 148, 158, 173, 185, 200, 202, 296, 316, 346, 370, 395, 400, 404, 505, 592, 632, 692, 740, 790, 808, 865, 925, 1010, 1264, 1384, 1480, 1580, 1616, 1730, 1850, 1975, 2020, 2525, 2768, 2923, 2960, 3160, 3460, 3700, 3737, 3950, 4040, 4325, 5050, 5846, 6320, 6401, 6920, 7400, 7474, 7900, 7979, 8080, 8650, 10100, 11692, 12802, 13667, 13840, 14615, 14800, 14948, 15800, 15958, 17300, 17473, 18685, 20200, 23384, 25604, 27334, 29230, 29896, 31600, 31916, 32005, 34600, 34946, 37370, 39895, 40400, 46768, 51208, 54668, 58460, 59792, 63832, 64010, 68335, 69200, 69892, 73075, 74740, 79790, 87365, 93425, 102416, 109336, 116920, 127664, 128020, 136670, 139784, 146150, 149480, 159580, 160025, 174730, 186850, 199475, 218672, 233840, 256040, 273340, 279568, 292300, 295223, 298960, 319160, 320050, 341675, 349460, 373700, 398950, 436825, 505679, 512080, 546680, 584600, 590446, 638320, 640100, 646501, 683350, 698920, 747400, 797900, 873650, 1011358, 1093360, 1169200, 1180892, 1280200, 1293002, 1366700, 1380367, 1397840, 1476115, 1494800, 1595800, 1747300, 2022716, 2361784, 2528395, 2560400, 2586004, 2733400, 2760734, 2952230, 3191600, 3232505, 3494600, 4045432, 4723568, 5056790, 5172008, 5466800, 5521468, 5904460, 6465010, 6901835, 6989200, 7380575, 8090864, 10113580, 10344016, 11042936, 11808920, 12641975, 12930020, 13803670, 14761150, 16162525, 20227160, 22085872, 23617840, 25283950, 25860040, 27607340, 29522300, 32325050, 34509175, 40454320, 50567900, 51073579, 51720080, 55214680, 59044600, 64650100, 69018350, 101135800, 102147158, 110429360, 118089200, 129300200, 138036700, 202271600, 204294316, 255367895, 258600400, 276073400, 408588632, 510735790, 552146800, 817177264, 1021471580, 1276839475, 2042943160, 2553678950, 4085886320, 5107357900, 10214715800, 20429431600]

約数ペア:

[(1, 20429431600), (2, 10214715800), (4, 5107357900), (5, 4085886320), (8, 2553678950), (10, 2042943160), (16, 1276839475), (20, 1021471580), (25, 817177264), (37, 552146800), (40, 510735790), (50, 408588632), (74, 276073400), (79, 258600400), (80, 255367895), (100, 204294316), (101, 202271600), (148, 138036700), (158, 129300200), (173, 118089200), (185, 110429360), (200, 102147158), (202, 101135800), (296, 69018350), (316, 64650100), (346, 59044600), (370, 55214680), (395, 51720080), (400, 51073579), (404, 50567900), (505, 40454320), (592, 34509175), (632, 32325050), (692, 29522300), (740, 27607340), (790, 25860040), (808, 25283950), (865, 23617840), (925, 22085872), (1010, 20227160), (1264, 16162525), (1384, 14761150), (1480, 13803670), (1580, 12930020), (1616, 12641975), (1730, 11808920), (1850, 11042936), (1975, 10344016), (2020, 10113580), (2525, 8090864), (2768, 7380575), (2923, 6989200), (2960, 6901835), (3160, 6465010), (3460, 5904460), (3700, 5521468), (3737, 5466800), (3950, 5172008), (4040, 5056790), (4325, 4723568), (5050, 4045432), (5846, 3494600), (6320, 3232505), (6401, 3191600), (6920, 2952230), (7400, 2760734), (7474, 2733400), (7900, 2586004), (7979, 2560400), (8080, 2528395), (8650, 2361784), (10100, 2022716), (11692, 1747300), (12802, 1595800), (13667, 1494800), (13840, 1476115), (14615, 1397840), (14800, 1380367), (14948, 1366700), (15800, 1293002), (15958, 1280200), (17300, 1180892), (17473, 1169200), (18685, 1093360), (20200, 1011358), (23384, 873650), (25604, 797900), (27334, 747400), (29230, 698920), (29896, 683350), (31600, 646501), (31916, 640100), (32005, 638320), (34600, 590446), (34946, 584600), (37370, 546680), (39895, 512080), (40400, 505679), (46768, 436825), (51208, 398950), (54668, 373700), (58460, 349460), (59792, 341675), (63832, 320050), (64010, 319160), (68335, 298960), (69200, 295223), (69892, 292300), (73075, 279568), (74740, 273340), (79790, 256040), (87365, 233840), (93425, 218672), (102416, 199475), (109336, 186850), (116920, 174730), (127664, 160025), (128020, 159580), (136670, 149480), (139784, 146150)]