808224740

素因数分解:

$2^2\times 5^1\times {\mathrm{1907}}^1\times {\mathrm{21191}}^1$

素因数の和:23107

約数の個数: 24

約数和(自身を含む): 1698242112

約数和(自身を除く): 890017372

約数列:

[1, 2, 4, 5, 10, 20, 1907, 3814, 7628, 9535, 19070, 21191, 38140, 42382, 84764, 105955, 211910, 423820, 40411237, 80822474, 161644948, 202056185, 404112370, 808224740]

約数ペア:

[(1, 808224740), (2, 404112370), (4, 202056185), (5, 161644948), (10, 80822474), (20, 40411237), (1907, 423820), (3814, 211910), (7628, 105955), (9535, 84764), (19070, 42382), (21191, 38140)]