10815620

素因数分解:

$2^2\times 5^1\times {\mathrm{540781}}^1$

素因数の和:540790

約数の個数: 12

約数和(自身を含む): 22712844

約数和(自身を除く): 11897224

約数列:

[1, 2, 4, 5, 10, 20, 540781, 1081562, 2163124, 2703905, 5407810, 10815620]

約数ペア:

[(1, 10815620), (2, 5407810), (4, 2703905), (5, 2163124), (10, 1081562), (20, 540781)]