90199540

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{24917}}^1$

素因数の和:25107

約数の個数: 24

約数和(自身を含む): 190473192

約数和(自身を除く): 100273652

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 24917, 49834, 99668, 124585, 249170, 498340, 4509977, 9019954, 18039908, 22549885, 45099770, 90199540]

約数ペア:

[(1, 90199540), (2, 45099770), (4, 22549885), (5, 18039908), (10, 9019954), (20, 4509977), (181, 498340), (362, 249170), (724, 124585), (905, 99668), (1810, 49834), (3620, 24917)]