1780580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{5237}}^1$

素因数の和:5263

約数の個数: 24

約数和(自身を含む): 3959928

約数和(自身を除く): 2179348

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 5237, 10474, 20948, 26185, 52370, 89029, 104740, 178058, 356116, 445145, 890290, 1780580]

約数ペア:

[(1, 1780580), (2, 890290), (4, 445145), (5, 356116), (10, 178058), (17, 104740), (20, 89029), (34, 52370), (68, 26185), (85, 20948), (170, 10474), (340, 5237)]