109221520

素因数分解:

$2^4\times 5^1\times {\mathrm{1365269}}^1$

素因数の和:1365282

約数の個数: 20

約数和(自身を含む): 253940220

約数和(自身を除く): 144718700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1365269, 2730538, 5461076, 6826345, 10922152, 13652690, 21844304, 27305380, 54610760, 109221520]

約数ペア:

[(1, 109221520), (2, 54610760), (4, 27305380), (5, 21844304), (8, 13652690), (10, 10922152), (16, 6826345), (20, 5461076), (40, 2730538), (80, 1365269)]