39216080

素因数分解:

$2^4\times 5^1\times {\mathrm{490201}}^1$

素因数の和:490214

約数の個数: 20

約数和(自身を含む): 91177572

約数和(自身を除く): 51961492

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 490201, 980402, 1960804, 2451005, 3921608, 4902010, 7843216, 9804020, 19608040, 39216080]

約数ペア:

[(1, 39216080), (2, 19608040), (4, 9804020), (5, 7843216), (8, 4902010), (10, 3921608), (16, 2451005), (20, 1960804), (40, 980402), (80, 490201)]