89913020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{145021}}^1$

素因数の和:145061

約数の個数: 24

約数和(自身を含む): 194909568

約数和(自身を除く): 104996548

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 145021, 290042, 580084, 725105, 1450210, 2900420, 4495651, 8991302, 17982604, 22478255, 44956510, 89913020]

約数ペア:

[(1, 89913020), (2, 44956510), (4, 22478255), (5, 17982604), (10, 8991302), (20, 4495651), (31, 2900420), (62, 1450210), (124, 725105), (155, 580084), (310, 290042), (620, 145021)]