6991640

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1697}}^1$

素因数の和:1811

約数の個数: 32

約数和(自身を含む): 15893280

約数和(自身を除く): 8901640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 1697, 2060, 3394, 4120, 6788, 8485, 13576, 16970, 33940, 67880, 174791, 349582, 699164, 873955, 1398328, 1747910, 3495820, 6991640]

約数ペア:

[(1, 6991640), (2, 3495820), (4, 1747910), (5, 1398328), (8, 873955), (10, 699164), (20, 349582), (40, 174791), (103, 67880), (206, 33940), (412, 16970), (515, 13576), (824, 8485), (1030, 6788), (1697, 4120), (2060, 3394)]