69638620

素因数分解:

$2^2\times 5^1\times {\mathrm{1861}}^1\times {\mathrm{1871}}^1$

素因数の和:3741

約数の個数: 24

約数和(自身を含む): 146397888

約数和(自身を除く): 76759268

約数列:

[1, 2, 4, 5, 10, 20, 1861, 1871, 3722, 3742, 7444, 7484, 9305, 9355, 18610, 18710, 37220, 37420, 3481931, 6963862, 13927724, 17409655, 34819310, 69638620]

約数ペア:

[(1, 69638620), (2, 34819310), (4, 17409655), (5, 13927724), (10, 6963862), (20, 3481931), (1861, 37420), (1871, 37220), (3722, 18710), (3742, 18610), (7444, 9355), (7484, 9305)]