31904980

素因数分解:

$2^2\times 5^1\times {\mathrm{787}}^1\times {\mathrm{2027}}^1$

素因数の和:2823

約数の個数: 24

約数和(自身を含む): 67118688

約数和(自身を除く): 35213708

約数列:

[1, 2, 4, 5, 10, 20, 787, 1574, 2027, 3148, 3935, 4054, 7870, 8108, 10135, 15740, 20270, 40540, 1595249, 3190498, 6380996, 7976245, 15952490, 31904980]

約数ペア:

[(1, 31904980), (2, 15952490), (4, 7976245), (5, 6380996), (10, 3190498), (20, 1595249), (787, 40540), (1574, 20270), (2027, 15740), (3148, 10135), (3935, 8108), (4054, 7870)]