210008871080

素因数分解:

$2^3\times 5^1\times {\mathrm{5250221777}}^1$

素因数の和:5250221788

約数の個数: 16

約数和(自身を含む): 472519960020

約数和(自身を除く): 262511088940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5250221777, 10500443554, 21000887108, 26251108885, 42001774216, 52502217770, 105004435540, 210008871080]

約数ペア:

[(1, 210008871080), (2, 105004435540), (4, 52502217770), (5, 42001774216), (8, 26251108885), (10, 21000887108), (20, 10500443554), (40, 5250221777)]