25262540

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{20707}}^1$

素因数の和:20777

約数の個数: 24

約数和(自身を含む): 53923632

約数和(自身を除く): 28661092

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 20707, 41414, 82828, 103535, 207070, 414140, 1263127, 2526254, 5052508, 6315635, 12631270, 25262540]

約数ペア:

[(1, 25262540), (2, 12631270), (4, 6315635), (5, 5052508), (10, 2526254), (20, 1263127), (61, 414140), (122, 207070), (244, 103535), (305, 82828), (610, 41414), (1220, 20707)]