9998420

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{3067}}^1$

素因数の和:3239

約数の個数: 24

約数和(自身を含む): 21132384

約数和(自身を除く): 11133964

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3067, 3260, 6134, 12268, 15335, 30670, 61340, 499921, 999842, 1999684, 2499605, 4999210, 9998420]

約数ペア:

[(1, 9998420), (2, 4999210), (4, 2499605), (5, 1999684), (10, 999842), (20, 499921), (163, 61340), (326, 30670), (652, 15335), (815, 12268), (1630, 6134), (3067, 3260)]