25657625

素因数分解:

$5^3\times 7^2\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:159

約数の個数: 48

約数和(自身を含む): 38413440

約数和(自身を除く): 12755815

約数列:

[1, 5, 7, 25, 35, 49, 59, 71, 125, 175, 245, 295, 355, 413, 497, 875, 1225, 1475, 1775, 2065, 2485, 2891, 3479, 4189, 6125, 7375, 8875, 10325, 12425, 14455, 17395, 20945, 29323, 51625, 62125, 72275, 86975, 104725, 146615, 205261, 361375, 434875, 523625, 733075, 1026305, 3665375, 5131525, 25657625]

約数ペア:

[(1, 25657625), (5, 5131525), (7, 3665375), (25, 1026305), (35, 733075), (49, 523625), (59, 434875), (71, 361375), (125, 205261), (175, 146615), (245, 104725), (295, 86975), (355, 72275), (413, 62125), (497, 51625), (875, 29323), (1225, 20945), (1475, 17395), (1775, 14455), (2065, 12425), (2485, 10325), (2891, 8875), (3479, 7375), (4189, 6125)]