180904540

素因数分解:

$2^2\times 5^1\times {\mathrm{881}}^1\times {\mathrm{10267}}^1$

素因数の和:11157

約数の個数: 24

約数和(自身を含む): 380367792

約数和(自身を除く): 199463252

約数列:

[1, 2, 4, 5, 10, 20, 881, 1762, 3524, 4405, 8810, 10267, 17620, 20534, 41068, 51335, 102670, 205340, 9045227, 18090454, 36180908, 45226135, 90452270, 180904540]

約数ペア:

[(1, 180904540), (2, 90452270), (4, 45226135), (5, 36180908), (10, 18090454), (20, 9045227), (881, 205340), (1762, 102670), (3524, 51335), (4405, 41068), (8810, 20534), (10267, 17620)]