28276075

素因数分解:

$5^2\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:331

約数の個数: 24

約数和(自身を含む): 36108800

約数和(自身を除く): 7832725

約数列:

[1, 5, 25, 79, 103, 139, 395, 515, 695, 1975, 2575, 3475, 8137, 10981, 14317, 40685, 54905, 71585, 203425, 274525, 357925, 1131043, 5655215, 28276075]

約数ペア:

[(1, 28276075), (5, 5655215), (25, 1131043), (79, 357925), (103, 274525), (139, 203425), (395, 71585), (515, 54905), (695, 40685), (1975, 14317), (2575, 10981), (3475, 8137)]