31664180

素因数分解:

$2^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{2447}}^1$

素因数の和:3103

約数の個数: 24

約数和(自身を含む): 66624768

約数和(自身を除く): 34960588

約数列:

[1, 2, 4, 5, 10, 20, 647, 1294, 2447, 2588, 3235, 4894, 6470, 9788, 12235, 12940, 24470, 48940, 1583209, 3166418, 6332836, 7916045, 15832090, 31664180]

約数ペア:

[(1, 31664180), (2, 15832090), (4, 7916045), (5, 6332836), (10, 3166418), (20, 1583209), (647, 48940), (1294, 24470), (2447, 12940), (2588, 12235), (3235, 9788), (4894, 6470)]