42985820

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{8363}}^1$

素因数の和:8629

約数の個数: 24

約数和(自身を含む): 90632304

約数和(自身を除く): 47646484

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5140, 8363, 16726, 33452, 41815, 83630, 167260, 2149291, 4298582, 8597164, 10746455, 21492910, 42985820]

約数ペア:

[(1, 42985820), (2, 21492910), (4, 10746455), (5, 8597164), (10, 4298582), (20, 2149291), (257, 167260), (514, 83630), (1028, 41815), (1285, 33452), (2570, 16726), (5140, 8363)]