54558160

素因数分解:

$2^4\times 5^1\times {\mathrm{681977}}^1$

素因数の和:681990

約数の個数: 20

約数和(自身を含む): 126847908

約数和(自身を除く): 72289748

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 681977, 1363954, 2727908, 3409885, 5455816, 6819770, 10911632, 13639540, 27279080, 54558160]

約数ペア:

[(1, 54558160), (2, 27279080), (4, 13639540), (5, 10911632), (8, 6819770), (10, 5455816), (16, 3409885), (20, 2727908), (40, 1363954), (80, 681977)]