25888040

素因数分解:

$2^3\times 5^1\times {\mathrm{647201}}^1$

素因数の和:647212

約数の個数: 16

約数和(自身を含む): 58248180

約数和(自身を除く): 32360140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 647201, 1294402, 2588804, 3236005, 5177608, 6472010, 12944020, 25888040]

約数ペア:

[(1, 25888040), (2, 12944020), (4, 6472010), (5, 5177608), (8, 3236005), (10, 2588804), (20, 1294402), (40, 647201)]