385240

素因数分解:

$2^3\times 5^1\times {\mathrm{9631}}^1$

素因数の和:9642

約数の個数: 16

約数和(自身を含む): 866880

約数和(自身を除く): 481640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 9631, 19262, 38524, 48155, 77048, 96310, 192620, 385240]

約数ペア:

[(1, 385240), (2, 192620), (4, 96310), (5, 77048), (8, 48155), (10, 38524), (20, 19262), (40, 9631)]