87013100

素因数分解:

$2^2\times 5^2\times {\mathrm{870131}}^1$

素因数の和:870145

約数の個数: 18

約数和(自身を含む): 188818644

約数和(自身を除く): 101805544

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 870131, 1740262, 3480524, 4350655, 8701310, 17402620, 21753275, 43506550, 87013100]

約数ペア:

[(1, 87013100), (2, 43506550), (4, 21753275), (5, 17402620), (10, 8701310), (20, 4350655), (25, 3480524), (50, 1740262), (100, 870131)]