265520180

素因数分解:

$2^2\times 5^1\times {\mathrm{13276009}}^1$

素因数の和:13276018

約数の個数: 12

約数和(自身を含む): 557592420

約数和(自身を除く): 292072240

約数列:

[1, 2, 4, 5, 10, 20, 13276009, 26552018, 53104036, 66380045, 132760090, 265520180]

約数ペア:

[(1, 265520180), (2, 132760090), (4, 66380045), (5, 53104036), (10, 26552018), (20, 13276009)]