31528820

素因数分解:

$2^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{4973}}^1$

素因数の和:5299

約数の個数: 24

約数和(自身を含む): 66432744

約数和(自身を除く): 34903924

約数列:

[1, 2, 4, 5, 10, 20, 317, 634, 1268, 1585, 3170, 4973, 6340, 9946, 19892, 24865, 49730, 99460, 1576441, 3152882, 6305764, 7882205, 15764410, 31528820]

約数ペア:

[(1, 31528820), (2, 15764410), (4, 7882205), (5, 6305764), (10, 3152882), (20, 1576441), (317, 99460), (634, 49730), (1268, 24865), (1585, 19892), (3170, 9946), (4973, 6340)]