31975940

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{6221}}^1$

素因数の和:6487

約数の個数: 24

約数和(自身を含む): 67421592

約数和(自身を除く): 35445652

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5140, 6221, 12442, 24884, 31105, 62210, 124420, 1598797, 3197594, 6395188, 7993985, 15987970, 31975940]

約数ペア:

[(1, 31975940), (2, 15987970), (4, 7993985), (5, 6395188), (10, 3197594), (20, 1598797), (257, 124420), (514, 62210), (1028, 31105), (1285, 24884), (2570, 12442), (5140, 6221)]