66705740

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{18427}}^1$

素因数の和:18617

約数の個数: 24

約数和(自身を含む): 140863632

約数和(自身を除く): 74157892

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 18427, 36854, 73708, 92135, 184270, 368540, 3335287, 6670574, 13341148, 16676435, 33352870, 66705740]

約数ペア:

[(1, 66705740), (2, 33352870), (4, 16676435), (5, 13341148), (10, 6670574), (20, 3335287), (181, 368540), (362, 184270), (724, 92135), (905, 73708), (1810, 36854), (3620, 18427)]