90437140

素因数分解:

$2^2\times 5^1\times {\mathrm{1277}}^1\times {\mathrm{3541}}^1$

素因数の和:4827

約数の個数: 24

約数和(自身を含む): 190120392

約数和(自身を除く): 99683252

約数列:

[1, 2, 4, 5, 10, 20, 1277, 2554, 3541, 5108, 6385, 7082, 12770, 14164, 17705, 25540, 35410, 70820, 4521857, 9043714, 18087428, 22609285, 45218570, 90437140]

約数ペア:

[(1, 90437140), (2, 45218570), (4, 22609285), (5, 18087428), (10, 9043714), (20, 4521857), (1277, 70820), (2554, 35410), (3541, 25540), (5108, 17705), (6385, 14164), (7082, 12770)]