90612880

素因数分解:

$2^4\times 5^1\times {\mathrm{1132661}}^1$

素因数の和:1132674

約数の個数: 20

約数和(自身を含む): 210675132

約数和(自身を除く): 120062252

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1132661, 2265322, 4530644, 5663305, 9061288, 11326610, 18122576, 22653220, 45306440, 90612880]

約数ペア:

[(1, 90612880), (2, 45306440), (4, 22653220), (5, 18122576), (8, 11326610), (10, 9061288), (16, 5663305), (20, 4530644), (40, 2265322), (80, 1132661)]