68807120

素因数分解:

$2^4\times 5^1\times {\mathrm{860089}}^1$

素因数の和:860102

約数の個数: 20

約数和(自身を含む): 159976740

約数和(自身を除く): 91169620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 860089, 1720178, 3440356, 4300445, 6880712, 8600890, 13761424, 17201780, 34403560, 68807120]

約数ペア:

[(1, 68807120), (2, 34403560), (4, 17201780), (5, 13761424), (8, 8600890), (10, 6880712), (16, 4300445), (20, 3440356), (40, 1720178), (80, 860089)]