88890920

素因数分解:

$2^3\times 5^1\times {\mathrm{2222273}}^1$

素因数の和:2222284

約数の個数: 16

約数和(自身を含む): 200004660

約数和(自身を除く): 111113740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2222273, 4444546, 8889092, 11111365, 17778184, 22222730, 44445460, 88890920]

約数ペア:

[(1, 88890920), (2, 44445460), (4, 22222730), (5, 17778184), (8, 11111365), (10, 8889092), (20, 4444546), (40, 2222273)]