39904475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{617}}^1$

素因数の和:839

約数の個数: 24

約数和(自身を含む): 53642400

約数和(自身を除く): 13737925

約数列:

[1, 5, 13, 25, 65, 199, 325, 617, 995, 2587, 3085, 4975, 8021, 12935, 15425, 40105, 64675, 122783, 200525, 613915, 1596179, 3069575, 7980895, 39904475]

約数ペア:

[(1, 39904475), (5, 7980895), (13, 3069575), (25, 1596179), (65, 613915), (199, 200525), (325, 122783), (617, 64675), (995, 40105), (2587, 15425), (3085, 12935), (4975, 8021)]