90032560

素因数分解:

$2^4\times 5^1\times {\mathrm{1125407}}^1$

素因数の和:1125420

約数の個数: 20

約数和(自身を含む): 209325888

約数和(自身を除く): 119293328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1125407, 2250814, 4501628, 5627035, 9003256, 11254070, 18006512, 22508140, 45016280, 90032560]

約数ペア:

[(1, 90032560), (2, 45016280), (4, 22508140), (5, 18006512), (8, 11254070), (10, 9003256), (16, 5627035), (20, 4501628), (40, 2250814), (80, 1125407)]