165619240

素因数分解:

$2^3\times 5^1\times {\mathrm{4140481}}^1$

素因数の和:4140492

約数の個数: 16

約数和(自身を含む): 372643380

約数和(自身を除く): 207024140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4140481, 8280962, 16561924, 20702405, 33123848, 41404810, 82809620, 165619240]

約数ペア:

[(1, 165619240), (2, 82809620), (4, 41404810), (5, 33123848), (8, 20702405), (10, 16561924), (20, 8280962), (40, 4140481)]