13726025

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:329

約数の個数: 24

約数和(自身を含む): 17856000

約数和(自身を除く): 4129975

約数列:

[1, 5, 25, 31, 89, 155, 199, 445, 775, 995, 2225, 2759, 4975, 6169, 13795, 17711, 30845, 68975, 88555, 154225, 442775, 549041, 2745205, 13726025]

約数ペア:

[(1, 13726025), (5, 2745205), (25, 549041), (31, 442775), (89, 154225), (155, 88555), (199, 68975), (445, 30845), (775, 17711), (995, 13795), (2225, 6169), (2759, 4975)]