201390658580

素因数分解:

$2^2\times 5^1\times {\mathrm{10069532929}}^1$

素因数の和:10069532938

約数の個数: 12

約数和(自身を含む): 422920383060

約数和(自身を除く): 221529724480

約数列:

[1, 2, 4, 5, 10, 20, 10069532929, 20139065858, 40278131716, 50347664645, 100695329290, 201390658580]

約数ペア:

[(1, 201390658580), (2, 100695329290), (4, 50347664645), (5, 40278131716), (10, 20139065858), (20, 10069532929)]