12408925

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:253

約数の個数: 24

約数和(自身を含む): 15991040

約数和(自身を除く): 3582115

約数列:

[1, 5, 25, 61, 79, 103, 305, 395, 515, 1525, 1975, 2575, 4819, 6283, 8137, 24095, 31415, 40685, 120475, 157075, 203425, 496357, 2481785, 12408925]

約数ペア:

[(1, 12408925), (5, 2481785), (25, 496357), (61, 203425), (79, 157075), (103, 120475), (305, 40685), (395, 31415), (515, 24095), (1525, 8137), (1975, 6283), (2575, 4819)]