9975640

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{2207}}^1$

素因数の和:2331

約数の個数: 32

約数和(自身を含む): 22654080

約数和(自身を除く): 12678440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2207, 2260, 4414, 4520, 8828, 11035, 17656, 22070, 44140, 88280, 249391, 498782, 997564, 1246955, 1995128, 2493910, 4987820, 9975640]

約数ペア:

[(1, 9975640), (2, 4987820), (4, 2493910), (5, 1995128), (8, 1246955), (10, 997564), (20, 498782), (40, 249391), (113, 88280), (226, 44140), (452, 22070), (565, 17656), (904, 11035), (1130, 8828), (2207, 4520), (2260, 4414)]