12697360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{421}}^1$

素因数の和:476

約数の個数: 80

約数和(自身を含む): 32966640

約数和(自身を除く): 20269280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 40, 52, 58, 65, 80, 104, 116, 130, 145, 208, 232, 260, 290, 377, 421, 464, 520, 580, 754, 842, 1040, 1160, 1508, 1684, 1885, 2105, 2320, 3016, 3368, 3770, 4210, 5473, 6032, 6736, 7540, 8420, 10946, 12209, 15080, 16840, 21892, 24418, 27365, 30160, 33680, 43784, 48836, 54730, 61045, 87568, 97672, 109460, 122090, 158717, 195344, 218920, 244180, 317434, 437840, 488360, 634868, 793585, 976720, 1269736, 1587170, 2539472, 3174340, 6348680, 12697360]

約数ペア:

[(1, 12697360), (2, 6348680), (4, 3174340), (5, 2539472), (8, 1587170), (10, 1269736), (13, 976720), (16, 793585), (20, 634868), (26, 488360), (29, 437840), (40, 317434), (52, 244180), (58, 218920), (65, 195344), (80, 158717), (104, 122090), (116, 109460), (130, 97672), (145, 87568), (208, 61045), (232, 54730), (260, 48836), (290, 43784), (377, 33680), (421, 30160), (464, 27365), (520, 24418), (580, 21892), (754, 16840), (842, 15080), (1040, 12209), (1160, 10946), (1508, 8420), (1684, 7540), (1885, 6736), (2105, 6032), (2320, 5473), (3016, 4210), (3368, 3770)]