89025680

素因数分解:

$2^4\times 5^1\times {\mathrm{1112821}}^1$

素因数の和:1112834

約数の個数: 20

約数和(自身を含む): 206984892

約数和(自身を除く): 117959212

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1112821, 2225642, 4451284, 5564105, 8902568, 11128210, 17805136, 22256420, 44512840, 89025680]

約数ペア:

[(1, 89025680), (2, 44512840), (4, 22256420), (5, 17805136), (8, 11128210), (10, 8902568), (16, 5564105), (20, 4451284), (40, 2225642), (80, 1112821)]