257360060

素因数分解:

$2^2\times 5^1\times {\mathrm{12868003}}^1$

素因数の和:12868012

約数の個数: 12

約数和(自身を含む): 540456168

約数和(自身を除く): 283096108

約数列:

[1, 2, 4, 5, 10, 20, 12868003, 25736006, 51472012, 64340015, 128680030, 257360060]

約数ペア:

[(1, 257360060), (2, 128680030), (4, 64340015), (5, 51472012), (10, 25736006), (20, 12868003)]