838397740

素因数分解:

$2^2\times 5^1\times {\mathrm{2687}}^1\times {\mathrm{15601}}^1$

素因数の和:18297

約数の個数: 24

約数和(自身を含む): 1761403392

約数和(自身を除く): 923005652

約数列:

[1, 2, 4, 5, 10, 20, 2687, 5374, 10748, 13435, 15601, 26870, 31202, 53740, 62404, 78005, 156010, 312020, 41919887, 83839774, 167679548, 209599435, 419198870, 838397740]

約数ペア:

[(1, 838397740), (2, 419198870), (4, 209599435), (5, 167679548), (10, 83839774), (20, 41919887), (2687, 312020), (5374, 156010), (10748, 78005), (13435, 62404), (15601, 53740), (26870, 31202)]