88889960

素因数分解:

$2^3\times 5^1\times {\mathrm{2222249}}^1$

素因数の和:2222260

約数の個数: 16

約数和(自身を含む): 200002500

約数和(自身を除く): 111112540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2222249, 4444498, 8888996, 11111245, 17777992, 22222490, 44444980, 88889960]

約数ペア:

[(1, 88889960), (2, 44444980), (4, 22222490), (5, 17777992), (8, 11111245), (10, 8888996), (20, 4444498), (40, 2222249)]