25400390

素因数分解:

$2^1\times 5^1\times {\mathrm{797}}^1\times {\mathrm{3187}}^1$

素因数の和:3991

約数の個数: 16

約数和(自身を含む): 45792432

約数和(自身を除く): 20392042

約数列:

[1, 2, 5, 10, 797, 1594, 3187, 3985, 6374, 7970, 15935, 31870, 2540039, 5080078, 12700195, 25400390]

約数ペア:

[(1, 25400390), (2, 12700195), (5, 5080078), (10, 2540039), (797, 31870), (1594, 15935), (3187, 7970), (3985, 6374)]