68631760

素因数分解:

$2^4\times 5^1\times {\mathrm{857897}}^1$

素因数の和:857910

約数の個数: 20

約数和(自身を含む): 159569028

約数和(自身を除く): 90937268

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 857897, 1715794, 3431588, 4289485, 6863176, 8578970, 13726352, 17157940, 34315880, 68631760]

約数ペア:

[(1, 68631760), (2, 34315880), (4, 17157940), (5, 13726352), (8, 8578970), (10, 6863176), (16, 4289485), (20, 3431588), (40, 1715794), (80, 857897)]