1247502020

素因数分解:

$2^2\times 5^1\times {\mathrm{62375101}}^1$

素因数の和:62375110

約数の個数: 12

約数和(自身を含む): 2619754284

約数和(自身を除く): 1372252264

約数列:

[1, 2, 4, 5, 10, 20, 62375101, 124750202, 249500404, 311875505, 623751010, 1247502020]

約数ペア:

[(1, 1247502020), (2, 623751010), (4, 311875505), (5, 249500404), (10, 124750202), (20, 62375101)]