31682480

素因数分解:

$2^4\times 5^1\times {\mathrm{396031}}^1$

素因数の和:396044

約数の個数: 20

約数和(自身を含む): 73661952

約数和(自身を除く): 41979472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 396031, 792062, 1584124, 1980155, 3168248, 3960310, 6336496, 7920620, 15841240, 31682480]

約数ペア:

[(1, 31682480), (2, 15841240), (4, 7920620), (5, 6336496), (8, 3960310), (10, 3168248), (16, 1980155), (20, 1584124), (40, 792062), (80, 396031)]