42389680

素因数分解:

$2^4\times 5^1\times {\mathrm{529871}}^1$

素因数の和:529884

約数の個数: 20

約数和(自身を含む): 98556192

約数和(自身を除く): 56166512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 529871, 1059742, 2119484, 2649355, 4238968, 5298710, 8477936, 10597420, 21194840, 42389680]

約数ペア:

[(1, 42389680), (2, 21194840), (4, 10597420), (5, 8477936), (8, 5298710), (10, 4238968), (16, 2649355), (20, 2119484), (40, 1059742), (80, 529871)]