25642360

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9029}}^1$

素因数の和:9111

約数の個数: 32

約数和(自身を含む): 58514400

約数和(自身を除く): 32872040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 9029, 18058, 36116, 45145, 72232, 90290, 180580, 361160, 641059, 1282118, 2564236, 3205295, 5128472, 6410590, 12821180, 25642360]

約数ペア:

[(1, 25642360), (2, 12821180), (4, 6410590), (5, 5128472), (8, 3205295), (10, 2564236), (20, 1282118), (40, 641059), (71, 361160), (142, 180580), (284, 90290), (355, 72232), (568, 45145), (710, 36116), (1420, 18058), (2840, 9029)]