656041360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{4967}}^1$

素因数の和:5120

約数の個数: 80

約数和(自身を含む): 1655894016

約数和(自身を除く): 999852656

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 127, 130, 208, 254, 260, 508, 520, 635, 1016, 1040, 1270, 1651, 2032, 2540, 3302, 4967, 5080, 6604, 8255, 9934, 10160, 13208, 16510, 19868, 24835, 26416, 33020, 39736, 49670, 64571, 66040, 79472, 99340, 129142, 132080, 198680, 258284, 322855, 397360, 516568, 630809, 645710, 1033136, 1261618, 1291420, 2523236, 2582840, 3154045, 5046472, 5165680, 6308090, 8200517, 10092944, 12616180, 16401034, 25232360, 32802068, 41002585, 50464720, 65604136, 82005170, 131208272, 164010340, 328020680, 656041360]

約数ペア:

[(1, 656041360), (2, 328020680), (4, 164010340), (5, 131208272), (8, 82005170), (10, 65604136), (13, 50464720), (16, 41002585), (20, 32802068), (26, 25232360), (40, 16401034), (52, 12616180), (65, 10092944), (80, 8200517), (104, 6308090), (127, 5165680), (130, 5046472), (208, 3154045), (254, 2582840), (260, 2523236), (508, 1291420), (520, 1261618), (635, 1033136), (1016, 645710), (1040, 630809), (1270, 516568), (1651, 397360), (2032, 322855), (2540, 258284), (3302, 198680), (4967, 132080), (5080, 129142), (6604, 99340), (8255, 79472), (9934, 66040), (10160, 64571), (13208, 49670), (16510, 39736), (19868, 33020), (24835, 26416)]