25880530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199081}}^1$

素因数の和:199101

約数の個数: 16

約数和(自身を含む): 50168664

約数和(自身を除く): 24288134

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 199081, 398162, 995405, 1990810, 2588053, 5176106, 12940265, 25880530]

約数ペア:

[(1, 25880530), (2, 12940265), (5, 5176106), (10, 2588053), (13, 1990810), (26, 995405), (65, 398162), (130, 199081)]