72056080

素因数分解:

$2^4\times 5^1\times {\mathrm{900701}}^1$

素因数の和:900714

約数の個数: 20

約数和(自身を含む): 167530572

約数和(自身を除く): 95474492

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 900701, 1801402, 3602804, 4503505, 7205608, 9007010, 14411216, 18014020, 36028040, 72056080]

約数ペア:

[(1, 72056080), (2, 36028040), (4, 18014020), (5, 14411216), (8, 9007010), (10, 7205608), (16, 4503505), (20, 3602804), (40, 1801402), (80, 900701)]