25997690

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{63409}}^1$

素因数の和:63457

約数の個数: 16

約数和(自身を含む): 47937960

約数和(自身を除く): 21940270

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 63409, 126818, 317045, 634090, 2599769, 5199538, 12998845, 25997690]

約数ペア:

[(1, 25997690), (2, 12998845), (5, 5199538), (10, 2599769), (41, 634090), (82, 317045), (205, 126818), (410, 63409)]