12857525720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{10247}}^1$

素因数の和:10417

約数の個数: 128

約数和(自身を含む): 33055948800

約数和(自身を除く): 20198423080

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 127, 130, 152, 190, 247, 254, 260, 380, 494, 508, 520, 635, 760, 988, 1016, 1235, 1270, 1651, 1976, 2413, 2470, 2540, 3302, 4826, 4940, 5080, 6604, 8255, 9652, 9880, 10247, 12065, 13208, 16510, 19304, 20494, 24130, 31369, 33020, 40988, 48260, 51235, 62738, 66040, 81976, 96520, 102470, 125476, 133211, 156845, 194693, 204940, 250952, 266422, 313690, 389386, 409880, 532844, 627380, 666055, 778772, 973465, 1065688, 1254760, 1301369, 1332110, 1557544, 1946930, 2531009, 2602738, 2664220, 3893860, 5062018, 5205476, 5328440, 6506845, 7787720, 10124036, 10410952, 12655045, 13013690, 16917797, 20248072, 24726011, 25310090, 26027380, 33835594, 49452022, 50620180, 52054760, 67671188, 84588985, 98904044, 101240360, 123630055, 135342376, 169177970, 197808088, 247260110, 321438143, 338355940, 494520220, 642876286, 676711880, 989040440, 1285752572, 1607190715, 2571505144, 3214381430, 6428762860, 12857525720]

約数ペア:

[(1, 12857525720), (2, 6428762860), (4, 3214381430), (5, 2571505144), (8, 1607190715), (10, 1285752572), (13, 989040440), (19, 676711880), (20, 642876286), (26, 494520220), (38, 338355940), (40, 321438143), (52, 247260110), (65, 197808088), (76, 169177970), (95, 135342376), (104, 123630055), (127, 101240360), (130, 98904044), (152, 84588985), (190, 67671188), (247, 52054760), (254, 50620180), (260, 49452022), (380, 33835594), (494, 26027380), (508, 25310090), (520, 24726011), (635, 20248072), (760, 16917797), (988, 13013690), (1016, 12655045), (1235, 10410952), (1270, 10124036), (1651, 7787720), (1976, 6506845), (2413, 5328440), (2470, 5205476), (2540, 5062018), (3302, 3893860), (4826, 2664220), (4940, 2602738), (5080, 2531009), (6604, 1946930), (8255, 1557544), (9652, 1332110), (9880, 1301369), (10247, 1254760), (12065, 1065688), (13208, 973465), (16510, 778772), (19304, 666055), (20494, 627380), (24130, 532844), (31369, 409880), (33020, 389386), (40988, 313690), (48260, 266422), (51235, 250952), (62738, 204940), (66040, 194693), (81976, 156845), (96520, 133211), (102470, 125476)]