89872220

素因数分解:

$2^2\times 5^1\times {\mathrm{617}}^1\times {\mathrm{7283}}^1$

素因数の和:7909

約数の個数: 24

約数和(自身を含む): 189063504

約数和(自身を除く): 99191284

約数列:

[1, 2, 4, 5, 10, 20, 617, 1234, 2468, 3085, 6170, 7283, 12340, 14566, 29132, 36415, 72830, 145660, 4493611, 8987222, 17974444, 22468055, 44936110, 89872220]

約数ペア:

[(1, 89872220), (2, 44936110), (4, 22468055), (5, 17974444), (10, 8987222), (20, 4493611), (617, 145660), (1234, 72830), (2468, 36415), (3085, 29132), (6170, 14566), (7283, 12340)]