25227380

素因数分解:

$2^2\times 5^1\times {\mathrm{631}}^1\times {\mathrm{1999}}^1$

素因数の和:2639

約数の個数: 24

約数和(自身を含む): 53088000

約数和(自身を除く): 27860620

約数列:

[1, 2, 4, 5, 10, 20, 631, 1262, 1999, 2524, 3155, 3998, 6310, 7996, 9995, 12620, 19990, 39980, 1261369, 2522738, 5045476, 6306845, 12613690, 25227380]

約数ペア:

[(1, 25227380), (2, 12613690), (4, 6306845), (5, 5045476), (10, 2522738), (20, 1261369), (631, 39980), (1262, 19990), (1999, 12620), (2524, 9995), (3155, 7996), (3998, 6310)]