25388570

素因数分解:

$2^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{19991}}^1$

素因数の和:20125

約数の個数: 16

約数和(自身を含む): 46061568

約数和(自身を除く): 20672998

約数列:

[1, 2, 5, 10, 127, 254, 635, 1270, 19991, 39982, 99955, 199910, 2538857, 5077714, 12694285, 25388570]

約数ペア:

[(1, 25388570), (2, 12694285), (5, 5077714), (10, 2538857), (127, 199910), (254, 99955), (635, 39982), (1270, 19991)]