12668240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{937}}^1$

素因数の和:976

約数の個数: 60

約数和(自身を含む): 31927644

約数和(自身を除く): 19259404

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 676, 845, 937, 1040, 1352, 1690, 1874, 2704, 3380, 3748, 4685, 6760, 7496, 9370, 12181, 13520, 14992, 18740, 24362, 37480, 48724, 60905, 74960, 97448, 121810, 158353, 194896, 243620, 316706, 487240, 633412, 791765, 974480, 1266824, 1583530, 2533648, 3167060, 6334120, 12668240]

約数ペア:

[(1, 12668240), (2, 6334120), (4, 3167060), (5, 2533648), (8, 1583530), (10, 1266824), (13, 974480), (16, 791765), (20, 633412), (26, 487240), (40, 316706), (52, 243620), (65, 194896), (80, 158353), (104, 121810), (130, 97448), (169, 74960), (208, 60905), (260, 48724), (338, 37480), (520, 24362), (676, 18740), (845, 14992), (937, 13520), (1040, 12181), (1352, 9370), (1690, 7496), (1874, 6760), (2704, 4685), (3380, 3748)]