12745367080

素因数分解:

$2^3\times 5^1\times {\mathrm{631}}^1\times {\mathrm{504967}}^1$

素因数の和:505609

約数の個数: 32

約数和(自身を含む): 28722579840

約数和(自身を除く): 15977212760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 631, 1262, 2524, 3155, 5048, 6310, 12620, 25240, 504967, 1009934, 2019868, 2524835, 4039736, 5049670, 10099340, 20198680, 318634177, 637268354, 1274536708, 1593170885, 2549073416, 3186341770, 6372683540, 12745367080]

約数ペア:

[(1, 12745367080), (2, 6372683540), (4, 3186341770), (5, 2549073416), (8, 1593170885), (10, 1274536708), (20, 637268354), (40, 318634177), (631, 20198680), (1262, 10099340), (2524, 5049670), (3155, 4039736), (5048, 2524835), (6310, 2019868), (12620, 1009934), (25240, 504967)]