25581080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{887}}^1$

素因数の和:1008

約数の個数: 64

約数和(自身を含む): 66493440

約数和(自身を除く): 40912360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 103, 140, 206, 280, 412, 515, 721, 824, 887, 1030, 1442, 1774, 2060, 2884, 3548, 3605, 4120, 4435, 5768, 6209, 7096, 7210, 8870, 12418, 14420, 17740, 24836, 28840, 31045, 35480, 49672, 62090, 91361, 124180, 182722, 248360, 365444, 456805, 639527, 730888, 913610, 1279054, 1827220, 2558108, 3197635, 3654440, 5116216, 6395270, 12790540, 25581080]

約数ペア:

[(1, 25581080), (2, 12790540), (4, 6395270), (5, 5116216), (7, 3654440), (8, 3197635), (10, 2558108), (14, 1827220), (20, 1279054), (28, 913610), (35, 730888), (40, 639527), (56, 456805), (70, 365444), (103, 248360), (140, 182722), (206, 124180), (280, 91361), (412, 62090), (515, 49672), (721, 35480), (824, 31045), (887, 28840), (1030, 24836), (1442, 17740), (1774, 14420), (2060, 12418), (2884, 8870), (3548, 7210), (3605, 7096), (4120, 6209), (4435, 5768)]