2013129380

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{421}}^1\times {\mathrm{5087}}^1$

素因数の和:5564

約数の個数: 48

約数和(自身を含む): 4328626176

約数和(自身を除く): 2315496796

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 421, 470, 842, 940, 1684, 2105, 4210, 5087, 8420, 10174, 19787, 20348, 25435, 39574, 50870, 79148, 98935, 101740, 197870, 239089, 395740, 478178, 956356, 1195445, 2141627, 2390890, 4283254, 4781780, 8566508, 10708135, 21416270, 42832540, 100656469, 201312938, 402625876, 503282345, 1006564690, 2013129380]

約数ペア:

[(1, 2013129380), (2, 1006564690), (4, 503282345), (5, 402625876), (10, 201312938), (20, 100656469), (47, 42832540), (94, 21416270), (188, 10708135), (235, 8566508), (421, 4781780), (470, 4283254), (842, 2390890), (940, 2141627), (1684, 1195445), (2105, 956356), (4210, 478178), (5087, 395740), (8420, 239089), (10174, 197870), (19787, 101740), (20348, 98935), (25435, 79148), (39574, 50870)]