12460240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{11981}}^1$

素因数の和:12007

約数の個数: 40

約数和(自身を含む): 31201128

約数和(自身を除く): 18740888

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 11981, 23962, 47924, 59905, 95848, 119810, 155753, 191696, 239620, 311506, 479240, 623012, 778765, 958480, 1246024, 1557530, 2492048, 3115060, 6230120, 12460240]

約数ペア:

[(1, 12460240), (2, 6230120), (4, 3115060), (5, 2492048), (8, 1557530), (10, 1246024), (13, 958480), (16, 778765), (20, 623012), (26, 479240), (40, 311506), (52, 239620), (65, 191696), (80, 155753), (104, 119810), (130, 95848), (208, 59905), (260, 47924), (520, 23962), (1040, 11981)]