25359425

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 39497472

約数和(自身を除く): 14138047

約数列:

[1, 5, 7, 13, 25, 35, 65, 71, 91, 157, 175, 325, 355, 455, 497, 785, 923, 1099, 1775, 2041, 2275, 2485, 3925, 4615, 5495, 6461, 10205, 11147, 12425, 14287, 23075, 27475, 32305, 51025, 55735, 71435, 78029, 144911, 161525, 278675, 357175, 390145, 724555, 1014377, 1950725, 3622775, 5071885, 25359425]

約数ペア:

[(1, 25359425), (5, 5071885), (7, 3622775), (13, 1950725), (25, 1014377), (35, 724555), (65, 390145), (71, 357175), (91, 278675), (157, 161525), (175, 144911), (325, 78029), (355, 71435), (455, 55735), (497, 51025), (785, 32305), (923, 27475), (1099, 23075), (1775, 14287), (2041, 12425), (2275, 11147), (2485, 10205), (3925, 6461), (4615, 5495)]