156765640

素因数分解:

$2^3\times 5^1\times {\mathrm{631}}^1\times {\mathrm{6211}}^1$

素因数の和:6853

約数の個数: 32

約数和(自身を含む): 353338560

約数和(自身を除く): 196572920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 631, 1262, 2524, 3155, 5048, 6211, 6310, 12422, 12620, 24844, 25240, 31055, 49688, 62110, 124220, 248440, 3919141, 7838282, 15676564, 19595705, 31353128, 39191410, 78382820, 156765640]

約数ペア:

[(1, 156765640), (2, 78382820), (4, 39191410), (5, 31353128), (8, 19595705), (10, 15676564), (20, 7838282), (40, 3919141), (631, 248440), (1262, 124220), (2524, 62110), (3155, 49688), (5048, 31055), (6211, 25240), (6310, 24844), (12422, 12620)]