425240

素因数分解:

$2^3\times 5^1\times {\mathrm{10631}}^1$

素因数の和:10642

約数の個数: 16

約数和(自身を含む): 956880

約数和(自身を除く): 531640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 10631, 21262, 42524, 53155, 85048, 106310, 212620, 425240]

約数ペア:

[(1, 425240), (2, 212620), (4, 106310), (5, 85048), (8, 53155), (10, 42524), (20, 21262), (40, 10631)]