31942160

素因数分解:

$2^4\times 5^1\times {\mathrm{399277}}^1$

素因数の和:399290

約数の個数: 20

約数和(自身を含む): 74265708

約数和(自身を除く): 42323548

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 399277, 798554, 1597108, 1996385, 3194216, 3992770, 6388432, 7985540, 15971080, 31942160]

約数ペア:

[(1, 31942160), (2, 15971080), (4, 7985540), (5, 6388432), (8, 3992770), (10, 3194216), (16, 1996385), (20, 1597108), (40, 798554), (80, 399277)]