396269240

素因数分解:

$2^3\times 5^1\times {\mathrm{9906731}}^1$

素因数の和:9906742

約数の個数: 16

約数和(自身を含む): 891605880

約数和(自身を除く): 495336640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 9906731, 19813462, 39626924, 49533655, 79253848, 99067310, 198134620, 396269240]

約数ペア:

[(1, 396269240), (2, 198134620), (4, 99067310), (5, 79253848), (8, 49533655), (10, 39626924), (20, 19813462), (40, 9906731)]