259208060

素因数分解:

$2^2\times 5^1\times {\mathrm{12960403}}^1$

素因数の和:12960412

約数の個数: 12

約数和(自身を含む): 544336968

約数和(自身を除く): 285128908

約数列:

[1, 2, 4, 5, 10, 20, 12960403, 25920806, 51841612, 64802015, 129604030, 259208060]

約数ペア:

[(1, 259208060), (2, 129604030), (4, 64802015), (5, 51841612), (10, 25920806), (20, 12960403)]