25661620

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{10103}}^1$

素因数の和:10239

約数の個数: 24

約数和(自身を含む): 54319104

約数和(自身を除く): 28657484

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 10103, 20206, 40412, 50515, 101030, 202060, 1283081, 2566162, 5132324, 6415405, 12830810, 25661620]

約数ペア:

[(1, 25661620), (2, 12830810), (4, 6415405), (5, 5132324), (10, 2566162), (20, 1283081), (127, 202060), (254, 101030), (508, 50515), (635, 40412), (1270, 20206), (2540, 10103)]