89441540

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{62987}}^1$

素因数の和:63067

約数の個数: 24

約数和(自身を含む): 190475712

約数和(自身を除く): 101034172

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 62987, 125974, 251948, 314935, 629870, 1259740, 4472077, 8944154, 17888308, 22360385, 44720770, 89441540]

約数ペア:

[(1, 89441540), (2, 44720770), (4, 22360385), (5, 17888308), (10, 8944154), (20, 4472077), (71, 1259740), (142, 629870), (284, 314935), (355, 251948), (710, 125974), (1420, 62987)]