25530825

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:262

約数の個数: 48

約数和(自身を含む): 44441600

約数和(自身を除く): 18910775

約数列:

[1, 3, 5, 15, 25, 31, 75, 79, 93, 139, 155, 237, 395, 417, 465, 695, 775, 1185, 1975, 2085, 2325, 2449, 3475, 4309, 5925, 7347, 10425, 10981, 12245, 12927, 21545, 32943, 36735, 54905, 61225, 64635, 107725, 164715, 183675, 274525, 323175, 340411, 823575, 1021233, 1702055, 5106165, 8510275, 25530825]

約数ペア:

[(1, 25530825), (3, 8510275), (5, 5106165), (15, 1702055), (25, 1021233), (31, 823575), (75, 340411), (79, 323175), (93, 274525), (139, 183675), (155, 164715), (237, 107725), (395, 64635), (417, 61225), (465, 54905), (695, 36735), (775, 32943), (1185, 21545), (1975, 12927), (2085, 12245), (2325, 10981), (2449, 10425), (3475, 7347), (4309, 5925)]