25664975

素因数分解:

$5^2\times 7^3\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:145

約数の個数: 48

約数和(自身を含む): 38539200

約数和(自身を除く): 12874225

約数列:

[1, 5, 7, 25, 35, 41, 49, 73, 175, 205, 245, 287, 343, 365, 511, 1025, 1225, 1435, 1715, 1825, 2009, 2555, 2993, 3577, 7175, 8575, 10045, 12775, 14063, 14965, 17885, 20951, 25039, 50225, 70315, 74825, 89425, 104755, 125195, 146657, 351575, 523775, 625975, 733285, 1026599, 3666425, 5132995, 25664975]

約数ペア:

[(1, 25664975), (5, 5132995), (7, 3666425), (25, 1026599), (35, 733285), (41, 625975), (49, 523775), (73, 351575), (175, 146657), (205, 125195), (245, 104755), (287, 89425), (343, 74825), (365, 70315), (511, 50225), (1025, 25039), (1225, 20951), (1435, 17885), (1715, 14965), (1825, 14063), (2009, 12775), (2555, 10045), (2993, 8575), (3577, 7175)]