8888980

素因数分解:

$2^2\times 5^1\times {\mathrm{444449}}^1$

素因数の和:444458

約数の個数: 12

約数和(自身を含む): 18666900

約数和(自身を除く): 9777920

約数列:

[1, 2, 4, 5, 10, 20, 444449, 888898, 1777796, 2222245, 4444490, 8888980]

約数ペア:

[(1, 8888980), (2, 4444490), (4, 2222245), (5, 1777796), (10, 888898), (20, 444449)]