81669410

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{5441}}^1$

素因数の和:5546

約数の個数: 32

約数和(自身を含む): 156729600

約数和(自身を除く): 75060190

約数列:

[1, 2, 5, 10, 19, 38, 79, 95, 158, 190, 395, 790, 1501, 3002, 5441, 7505, 10882, 15010, 27205, 54410, 103379, 206758, 429839, 516895, 859678, 1033790, 2149195, 4298390, 8166941, 16333882, 40834705, 81669410]

約数ペア:

[(1, 81669410), (2, 40834705), (5, 16333882), (10, 8166941), (19, 4298390), (38, 2149195), (79, 1033790), (95, 859678), (158, 516895), (190, 429839), (395, 206758), (790, 103379), (1501, 54410), (3002, 27205), (5441, 15010), (7505, 10882)]