20156534800

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{41}}^2\times {\mathrm{967}}^1$

素因数の和:1098

約数の個数: 180

約数和(自身を含む): 51290153728

約数和(自身を除く): 31133618928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 41, 50, 62, 80, 82, 100, 124, 155, 164, 200, 205, 248, 310, 328, 400, 410, 496, 620, 656, 775, 820, 967, 1025, 1240, 1271, 1550, 1640, 1681, 1934, 2050, 2480, 2542, 3100, 3280, 3362, 3868, 4100, 4835, 5084, 6200, 6355, 6724, 7736, 8200, 8405, 9670, 10168, 12400, 12710, 13448, 15472, 16400, 16810, 19340, 20336, 24175, 25420, 26896, 29977, 31775, 33620, 38680, 39647, 42025, 48350, 50840, 52111, 59954, 63550, 67240, 77360, 79294, 84050, 96700, 101680, 104222, 119908, 127100, 134480, 149885, 158588, 168100, 193400, 198235, 208444, 239816, 254200, 260555, 299770, 317176, 336200, 386800, 396470, 416888, 479632, 508400, 521110, 599540, 634352, 672400, 749425, 792940, 833776, 991175, 1042220, 1199080, 1229057, 1302775, 1498850, 1585880, 1625527, 1982350, 2084440, 2398160, 2458114, 2605550, 2997700, 3171760, 3251054, 3964700, 4168880, 4916228, 5211100, 5995400, 6145285, 6502108, 7929400, 8127635, 9832456, 10422200, 11990800, 12290570, 13004216, 15858800, 16255270, 19664912, 20844400, 24581140, 26008432, 30726425, 32510540, 40638175, 49162280, 50391337, 61452850, 65021080, 81276350, 98324560, 100782674, 122905700, 130042160, 162552700, 201565348, 245811400, 251956685, 325105400, 403130696, 491622800, 503913370, 650210800, 806261392, 1007826740, 1259783425, 2015653480, 2519566850, 4031306960, 5039133700, 10078267400, 20156534800]

約数ペア:

[(1, 20156534800), (2, 10078267400), (4, 5039133700), (5, 4031306960), (8, 2519566850), (10, 2015653480), (16, 1259783425), (20, 1007826740), (25, 806261392), (31, 650210800), (40, 503913370), (41, 491622800), (50, 403130696), (62, 325105400), (80, 251956685), (82, 245811400), (100, 201565348), (124, 162552700), (155, 130042160), (164, 122905700), (200, 100782674), (205, 98324560), (248, 81276350), (310, 65021080), (328, 61452850), (400, 50391337), (410, 49162280), (496, 40638175), (620, 32510540), (656, 30726425), (775, 26008432), (820, 24581140), (967, 20844400), (1025, 19664912), (1240, 16255270), (1271, 15858800), (1550, 13004216), (1640, 12290570), (1681, 11990800), (1934, 10422200), (2050, 9832456), (2480, 8127635), (2542, 7929400), (3100, 6502108), (3280, 6145285), (3362, 5995400), (3868, 5211100), (4100, 4916228), (4835, 4168880), (5084, 3964700), (6200, 3251054), (6355, 3171760), (6724, 2997700), (7736, 2605550), (8200, 2458114), (8405, 2398160), (9670, 2084440), (10168, 1982350), (12400, 1625527), (12710, 1585880), (13448, 1498850), (15472, 1302775), (16400, 1229057), (16810, 1199080), (19340, 1042220), (20336, 991175), (24175, 833776), (25420, 792940), (26896, 749425), (29977, 672400), (31775, 634352), (33620, 599540), (38680, 521110), (39647, 508400), (42025, 479632), (48350, 416888), (50840, 396470), (52111, 386800), (59954, 336200), (63550, 317176), (67240, 299770), (77360, 260555), (79294, 254200), (84050, 239816), (96700, 208444), (101680, 198235), (104222, 193400), (119908, 168100), (127100, 158588), (134480, 149885)]