90660880

素因数分解:

$2^4\times 5^1\times {\mathrm{1133261}}^1$

素因数の和:1133274

約数の個数: 20

約数和(自身を含む): 210786732

約数和(自身を除く): 120125852

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1133261, 2266522, 4533044, 5666305, 9066088, 11332610, 18132176, 22665220, 45330440, 90660880]

約数ペア:

[(1, 90660880), (2, 45330440), (4, 22665220), (5, 18132176), (8, 11332610), (10, 9066088), (16, 5666305), (20, 4533044), (40, 2266522), (80, 1133261)]