31704080

素因数分解:

$2^4\times 5^1\times {\mathrm{396301}}^1$

素因数の和:396314

約数の個数: 20

約数和(自身を含む): 73712172

約数和(自身を除く): 42008092

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 396301, 792602, 1585204, 1981505, 3170408, 3963010, 6340816, 7926020, 15852040, 31704080]

約数ペア:

[(1, 31704080), (2, 15852040), (4, 7926020), (5, 6340816), (8, 3963010), (10, 3170408), (16, 1981505), (20, 1585204), (40, 792602), (80, 396301)]