31397472020

素因数分解:

$2^2\times 5^1\times {\mathrm{1569873601}}^1$

素因数の和:1569873610

約数の個数: 12

約数和(自身を含む): 65934691284

約数和(自身を除く): 34537219264

約数列:

[1, 2, 4, 5, 10, 20, 1569873601, 3139747202, 6279494404, 7849368005, 15698736010, 31397472020]

約数ペア:

[(1, 31397472020), (2, 15698736010), (4, 7849368005), (5, 6279494404), (10, 3139747202), (20, 1569873601)]