25981085

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{9749}}^1$

素因数の和:9808

約数の個数: 16

約数和(自身を含む): 34398000

約数和(自身を除く): 8416915

約数列:

[1, 5, 13, 41, 65, 205, 533, 2665, 9749, 48745, 126737, 399709, 633685, 1998545, 5196217, 25981085]

約数ペア:

[(1, 25981085), (5, 5196217), (13, 1998545), (41, 633685), (65, 399709), (205, 126737), (533, 48745), (2665, 9749)]