260540020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1002077}}^1$

素因数の和:1002099

約数の個数: 24

約数和(自身を含む): 589221864

約数和(自身を除く): 328681844

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1002077, 2004154, 4008308, 5010385, 10020770, 13027001, 20041540, 26054002, 52108004, 65135005, 130270010, 260540020]

約数ペア:

[(1, 260540020), (2, 130270010), (4, 65135005), (5, 52108004), (10, 26054002), (13, 20041540), (20, 13027001), (26, 10020770), (52, 5010385), (65, 4008308), (130, 2004154), (260, 1002077)]