836688080

素因数分解:

$2^4\times 5^1\times {\mathrm{10458601}}^1$

素因数の和:10458614

約数の個数: 20

約数和(自身を含む): 1945299972

約数和(自身を除く): 1108611892

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 10458601, 20917202, 41834404, 52293005, 83668808, 104586010, 167337616, 209172020, 418344040, 836688080]

約数ペア:

[(1, 836688080), (2, 418344040), (4, 209172020), (5, 167337616), (8, 104586010), (10, 83668808), (16, 52293005), (20, 41834404), (40, 20917202), (80, 10458601)]