68867440

素因数分解:

$2^4\times 5^1\times {\mathrm{860843}}^1$

素因数の和:860856

約数の個数: 20

約数和(自身を含む): 160116984

約数和(自身を除く): 91249544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 860843, 1721686, 3443372, 4304215, 6886744, 8608430, 13773488, 17216860, 34433720, 68867440]

約数ペア:

[(1, 68867440), (2, 34433720), (4, 17216860), (5, 13773488), (8, 8608430), (10, 6886744), (16, 4304215), (20, 3443372), (40, 1721686), (80, 860843)]