25666615

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{9631}}^1$

素因数の和:9690

約数の個数: 16

約数和(自身を含む): 33981696

約数和(自身を除く): 8315081

約数列:

[1, 5, 13, 41, 65, 205, 533, 2665, 9631, 48155, 125203, 394871, 626015, 1974355, 5133323, 25666615]

約数ペア:

[(1, 25666615), (5, 5133323), (13, 1974355), (41, 626015), (65, 394871), (205, 125203), (533, 48155), (2665, 9631)]