328020680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{4967}}^1$

素因数の和:5118

約数の個数: 64

約数和(自身を含む): 801239040

約数和(自身を除く): 473218360

約数列:

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

約数ペア:

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