8901040

素因数分解:

$2^4\times 5^1\times {\mathrm{111263}}^1$

素因数の和:111276

約数の個数: 20

約数和(自身を含む): 20695104

約数和(自身を除く): 11794064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 111263, 222526, 445052, 556315, 890104, 1112630, 1780208, 2225260, 4450520, 8901040]

約数ペア:

[(1, 8901040), (2, 4450520), (4, 2225260), (5, 1780208), (8, 1112630), (10, 890104), (16, 556315), (20, 445052), (40, 222526), (80, 111263)]