87772120

素因数分解:

$2^3\times 5^1\times {\mathrm{419}}^1\times {\mathrm{5237}}^1$

素因数の和:5667

約数の個数: 32

約数和(自身を含む): 197996400

約数和(自身を除く): 110224280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 419, 838, 1676, 2095, 3352, 4190, 5237, 8380, 10474, 16760, 20948, 26185, 41896, 52370, 104740, 209480, 2194303, 4388606, 8777212, 10971515, 17554424, 21943030, 43886060, 87772120]

約数ペア:

[(1, 87772120), (2, 43886060), (4, 21943030), (5, 17554424), (8, 10971515), (10, 8777212), (20, 4388606), (40, 2194303), (419, 209480), (838, 104740), (1676, 52370), (2095, 41896), (3352, 26185), (4190, 20948), (5237, 16760), (8380, 10474)]