31630220

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{3221}}^1$

素因数の和:3721

約数の個数: 24

約数和(自身を含む): 66579408

約数和(自身を除く): 34949188

約数列:

[1, 2, 4, 5, 10, 20, 491, 982, 1964, 2455, 3221, 4910, 6442, 9820, 12884, 16105, 32210, 64420, 1581511, 3163022, 6326044, 7907555, 15815110, 31630220]

約数ペア:

[(1, 31630220), (2, 15815110), (4, 7907555), (5, 6326044), (10, 3163022), (20, 1581511), (491, 64420), (982, 32210), (1964, 16105), (2455, 12884), (3221, 9820), (4910, 6442)]