3957140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17987}}^1$

素因数の和:18007

約数の個数: 24

約数和(自身を含む): 9065952

約数和(自身を除く): 5108812

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 17987, 35974, 71948, 89935, 179870, 197857, 359740, 395714, 791428, 989285, 1978570, 3957140]

約数ペア:

[(1, 3957140), (2, 1978570), (4, 989285), (5, 791428), (10, 395714), (11, 359740), (20, 197857), (22, 179870), (44, 89935), (55, 71948), (110, 35974), (220, 17987)]