25793500

素因数分解:

$2^2\times 5^3\times {\mathrm{79}}^1\times {\mathrm{653}}^1$

素因数の和:751

約数の個数: 48

約数和(自身を含む): 57133440

約数和(自身を除く): 31339940

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 125, 158, 250, 316, 395, 500, 653, 790, 1306, 1580, 1975, 2612, 3265, 3950, 6530, 7900, 9875, 13060, 16325, 19750, 32650, 39500, 51587, 65300, 81625, 103174, 163250, 206348, 257935, 326500, 515870, 1031740, 1289675, 2579350, 5158700, 6448375, 12896750, 25793500]

約数ペア:

[(1, 25793500), (2, 12896750), (4, 6448375), (5, 5158700), (10, 2579350), (20, 1289675), (25, 1031740), (50, 515870), (79, 326500), (100, 257935), (125, 206348), (158, 163250), (250, 103174), (316, 81625), (395, 65300), (500, 51587), (653, 39500), (790, 32650), (1306, 19750), (1580, 16325), (1975, 13060), (2612, 9875), (3265, 7900), (3950, 6530)]