74286020

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{20521}}^1$

素因数の和:20711

約数の個数: 24

約数和(自身を含む): 156870168

約数和(自身を除く): 82584148

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 20521, 41042, 82084, 102605, 205210, 410420, 3714301, 7428602, 14857204, 18571505, 37143010, 74286020]

約数ペア:

[(1, 74286020), (2, 37143010), (4, 18571505), (5, 14857204), (10, 7428602), (20, 3714301), (181, 410420), (362, 205210), (724, 102605), (905, 82084), (1810, 41042), (3620, 20521)]