38916980

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{24631}}^1$

素因数の和:24719

約数の個数: 24

約数和(自身を含む): 82763520

約数和(自身を除く): 43846540

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 24631, 49262, 98524, 123155, 246310, 492620, 1945849, 3891698, 7783396, 9729245, 19458490, 38916980]

約数ペア:

[(1, 38916980), (2, 19458490), (4, 9729245), (5, 7783396), (10, 3891698), (20, 1945849), (79, 492620), (158, 246310), (316, 123155), (395, 98524), (790, 49262), (1580, 24631)]