25620875

素因数分解:

$5^3\times 7^2\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:165

約数の個数: 48

約数和(自身を含む): 38413440

約数和(自身を除く): 12792565

約数列:

[1, 5, 7, 25, 35, 47, 49, 89, 125, 175, 235, 245, 329, 445, 623, 875, 1175, 1225, 1645, 2225, 2303, 3115, 4183, 4361, 5875, 6125, 8225, 11125, 11515, 15575, 20915, 21805, 29281, 41125, 57575, 77875, 104575, 109025, 146405, 204967, 287875, 522875, 545125, 732025, 1024835, 3660125, 5124175, 25620875]

約数ペア:

[(1, 25620875), (5, 5124175), (7, 3660125), (25, 1024835), (35, 732025), (47, 545125), (49, 522875), (89, 287875), (125, 204967), (175, 146405), (235, 109025), (245, 104575), (329, 77875), (445, 57575), (623, 41125), (875, 29281), (1175, 21805), (1225, 20915), (1645, 15575), (2225, 11515), (2303, 11125), (3115, 8225), (4183, 6125), (4361, 5875)]