201537640

素因数分解:

$2^3\times 5^1\times {\mathrm{5038441}}^1$

素因数の和:5038452

約数の個数: 16

約数和(自身を含む): 453459780

約数和(自身を除く): 251922140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5038441, 10076882, 20153764, 25192205, 40307528, 50384410, 100768820, 201537640]

約数ペア:

[(1, 201537640), (2, 100768820), (4, 50384410), (5, 40307528), (8, 25192205), (10, 20153764), (20, 10076882), (40, 5038441)]