808220740

素因数分解:

$2^2\times 5^1\times {\mathrm{509}}^1\times {\mathrm{79393}}^1$

素因数の和:79911

約数の個数: 24

約数和(自身を含む): 1700619480

約数和(自身を除く): 892398740

約数列:

[1, 2, 4, 5, 10, 20, 509, 1018, 2036, 2545, 5090, 10180, 79393, 158786, 317572, 396965, 793930, 1587860, 40411037, 80822074, 161644148, 202055185, 404110370, 808220740]

約数ペア:

[(1, 808220740), (2, 404110370), (4, 202055185), (5, 161644148), (10, 80822074), (20, 40411037), (509, 1587860), (1018, 793930), (2036, 396965), (2545, 317572), (5090, 158786), (10180, 79393)]