20175880400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1\times {\mathrm{223}}^1$

素因数の和:518

約数の個数: 240

約数和(自身を含む): 53233926144

約数和(自身を除く): 33058045744

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 127, 130, 137, 200, 208, 223, 254, 260, 274, 325, 400, 446, 508, 520, 548, 635, 650, 685, 892, 1016, 1040, 1096, 1115, 1270, 1300, 1370, 1651, 1781, 1784, 2032, 2192, 2230, 2540, 2600, 2740, 2899, 3175, 3302, 3425, 3562, 3568, 4460, 5080, 5200, 5480, 5575, 5798, 6350, 6604, 6850, 7124, 8255, 8905, 8920, 10160, 10960, 11150, 11596, 12700, 13208, 13700, 14248, 14495, 16510, 17399, 17810, 17840, 22300, 23192, 25400, 26416, 27400, 28321, 28496, 28990, 30551, 33020, 34798, 35620, 41275, 44525, 44600, 46384, 50800, 54800, 56642, 57980, 61102, 66040, 69596, 71240, 72475, 82550, 86995, 89050, 89200, 113284, 115960, 122204, 132080, 139192, 141605, 142480, 144950, 152755, 165100, 173990, 178100, 226187, 226568, 231920, 244408, 278384, 283210, 289900, 305510, 330200, 347980, 356200, 368173, 397163, 434975, 452374, 453136, 488816, 566420, 579800, 611020, 660400, 695960, 708025, 712400, 736346, 763775, 794326, 869950, 904748, 1130935, 1132840, 1159600, 1222040, 1391920, 1416050, 1472692, 1527550, 1588652, 1739900, 1809496, 1840865, 1985815, 2261870, 2265680, 2444080, 2832100, 2945384, 3055100, 3177304, 3479800, 3618992, 3681730, 3879977, 3971630, 4523740, 5654675, 5664200, 5890768, 6110200, 6354608, 6959600, 7363460, 7759954, 7943260, 9047480, 9204325, 9929075, 11309350, 11328400, 12220400, 14726920, 15519908, 15886520, 18094960, 18408650, 19399885, 19858150, 22618700, 29453840, 31039816, 31773040, 36817300, 38799770, 39716300, 45237400, 50439701, 62079632, 73634600, 77599540, 79432600, 90474800, 96999425, 100879402, 147269200, 155199080, 158865200, 193998850, 201758804, 252198505, 310398160, 387997700, 403517608, 504397010, 775995400, 807035216, 1008794020, 1260992525, 1551990800, 2017588040, 2521985050, 4035176080, 5043970100, 10087940200, 20175880400]

約数ペア:

[(1, 20175880400), (2, 10087940200), (4, 5043970100), (5, 4035176080), (8, 2521985050), (10, 2017588040), (13, 1551990800), (16, 1260992525), (20, 1008794020), (25, 807035216), (26, 775995400), (40, 504397010), (50, 403517608), (52, 387997700), (65, 310398160), (80, 252198505), (100, 201758804), (104, 193998850), (127, 158865200), (130, 155199080), (137, 147269200), (200, 100879402), (208, 96999425), (223, 90474800), (254, 79432600), (260, 77599540), (274, 73634600), (325, 62079632), (400, 50439701), (446, 45237400), (508, 39716300), (520, 38799770), (548, 36817300), (635, 31773040), (650, 31039816), (685, 29453840), (892, 22618700), (1016, 19858150), (1040, 19399885), (1096, 18408650), (1115, 18094960), (1270, 15886520), (1300, 15519908), (1370, 14726920), (1651, 12220400), (1781, 11328400), (1784, 11309350), (2032, 9929075), (2192, 9204325), (2230, 9047480), (2540, 7943260), (2600, 7759954), (2740, 7363460), (2899, 6959600), (3175, 6354608), (3302, 6110200), (3425, 5890768), (3562, 5664200), (3568, 5654675), (4460, 4523740), (5080, 3971630), (5200, 3879977), (5480, 3681730), (5575, 3618992), (5798, 3479800), (6350, 3177304), (6604, 3055100), (6850, 2945384), (7124, 2832100), (8255, 2444080), (8905, 2265680), (8920, 2261870), (10160, 1985815), (10960, 1840865), (11150, 1809496), (11596, 1739900), (12700, 1588652), (13208, 1527550), (13700, 1472692), (14248, 1416050), (14495, 1391920), (16510, 1222040), (17399, 1159600), (17810, 1132840), (17840, 1130935), (22300, 904748), (23192, 869950), (25400, 794326), (26416, 763775), (27400, 736346), (28321, 712400), (28496, 708025), (28990, 695960), (30551, 660400), (33020, 611020), (34798, 579800), (35620, 566420), (41275, 488816), (44525, 453136), (44600, 452374), (46384, 434975), (50800, 397163), (54800, 368173), (56642, 356200), (57980, 347980), (61102, 330200), (66040, 305510), (69596, 289900), (71240, 283210), (72475, 278384), (82550, 244408), (86995, 231920), (89050, 226568), (89200, 226187), (113284, 178100), (115960, 173990), (122204, 165100), (132080, 152755), (139192, 144950), (141605, 142480)]