65425240

素因数分解:

$2^3\times 5^1\times {\mathrm{1635631}}^1$

素因数の和:1635642

約数の個数: 16

約数和(自身を含む): 147206880

約数和(自身を除く): 81781640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1635631, 3271262, 6542524, 8178155, 13085048, 16356310, 32712620, 65425240]

約数ペア:

[(1, 65425240), (2, 32712620), (4, 16356310), (5, 13085048), (8, 8178155), (10, 6542524), (20, 3271262), (40, 1635631)]