393274040

素因数分解:

$2^3\times 5^1\times {\mathrm{9831851}}^1$

素因数の和:9831862

約数の個数: 16

約数和(自身を含む): 884866680

約数和(自身を除く): 491592640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 9831851, 19663702, 39327404, 49159255, 78654808, 98318510, 196637020, 393274040]

約数ペア:

[(1, 393274040), (2, 196637020), (4, 98318510), (5, 78654808), (8, 49159255), (10, 39327404), (20, 19663702), (40, 9831851)]