39247280

素因数分解:

$2^4\times 5^1\times {\mathrm{490591}}^1$

素因数の和:490604

約数の個数: 20

約数和(自身を含む): 91250112

約数和(自身を除く): 52002832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 490591, 981182, 1962364, 2452955, 3924728, 4905910, 7849456, 9811820, 19623640, 39247280]

約数ペア:

[(1, 39247280), (2, 19623640), (4, 9811820), (5, 7849456), (8, 4905910), (10, 3924728), (16, 2452955), (20, 1962364), (40, 981182), (80, 490591)]