89115920

素因数分解:

$2^4\times 5^1\times {\mathrm{1113949}}^1$

素因数の和:1113962

約数の個数: 20

約数和(自身を含む): 207194700

約数和(自身を除く): 118078780

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1113949, 2227898, 4455796, 5569745, 8911592, 11139490, 17823184, 22278980, 44557960, 89115920]

約数ペア:

[(1, 89115920), (2, 44557960), (4, 22278980), (5, 17823184), (8, 11139490), (10, 8911592), (16, 5569745), (20, 4455796), (40, 2227898), (80, 1113949)]