31151420

素因数分解:

$2^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{5623}}^1$

素因数の和:5909

約数の個数: 24

約数和(自身を含む): 65665824

約数和(自身を除く): 34514404

約数列:

[1, 2, 4, 5, 10, 20, 277, 554, 1108, 1385, 2770, 5540, 5623, 11246, 22492, 28115, 56230, 112460, 1557571, 3115142, 6230284, 7787855, 15575710, 31151420]

約数ペア:

[(1, 31151420), (2, 15575710), (4, 7787855), (5, 6230284), (10, 3115142), (20, 1557571), (277, 112460), (554, 56230), (1108, 28115), (1385, 22492), (2770, 11246), (5540, 5623)]