90022640

素因数分解:

$2^4\times 5^1\times {\mathrm{1125283}}^1$

素因数の和:1125296

約数の個数: 20

約数和(自身を含む): 209302824

約数和(自身を除く): 119280184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1125283, 2250566, 4501132, 5626415, 9002264, 11252830, 18004528, 22505660, 45011320, 90022640]

約数ペア:

[(1, 90022640), (2, 45011320), (4, 22505660), (5, 18004528), (8, 11252830), (10, 9002264), (16, 5626415), (20, 4501132), (40, 2250566), (80, 1125283)]