25785175

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{359}}^1$

素因数の和:412

約数の個数: 36

約数和(自身を含む): 36761040

約数和(自身を除く): 10975865

約数列:

[1, 5, 13, 17, 25, 65, 85, 169, 221, 325, 359, 425, 845, 1105, 1795, 2873, 4225, 4667, 5525, 6103, 8975, 14365, 23335, 30515, 60671, 71825, 79339, 116675, 152575, 303355, 396695, 1031407, 1516775, 1983475, 5157035, 25785175]

約数ペア:

[(1, 25785175), (5, 5157035), (13, 1983475), (17, 1516775), (25, 1031407), (65, 396695), (85, 303355), (169, 152575), (221, 116675), (325, 79339), (359, 71825), (425, 60671), (845, 30515), (1105, 23335), (1795, 14365), (2873, 8975), (4225, 6103), (4667, 5525)]