9965240

素因数分解:

$2^3\times 5^1\times {\mathrm{249131}}^1$

素因数の和:249142

約数の個数: 16

約数和(自身を含む): 22421880

約数和(自身を除く): 12456640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 249131, 498262, 996524, 1245655, 1993048, 2491310, 4982620, 9965240]

約数ペア:

[(1, 9965240), (2, 4982620), (4, 2491310), (5, 1993048), (8, 1245655), (10, 996524), (20, 498262), (40, 249131)]