80539600

素因数分解:

$2^4\times 5^2\times {\mathrm{227}}^1\times {\mathrm{887}}^1$

素因数の和:1132

約数の個数: 60

約数和(自身を含む): 194567904

約数和(自身を除く): 114028304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 227, 400, 454, 887, 908, 1135, 1774, 1816, 2270, 3548, 3632, 4435, 4540, 5675, 7096, 8870, 9080, 11350, 14192, 17740, 18160, 22175, 22700, 35480, 44350, 45400, 70960, 88700, 90800, 177400, 201349, 354800, 402698, 805396, 1006745, 1610792, 2013490, 3221584, 4026980, 5033725, 8053960, 10067450, 16107920, 20134900, 40269800, 80539600]

約数ペア:

[(1, 80539600), (2, 40269800), (4, 20134900), (5, 16107920), (8, 10067450), (10, 8053960), (16, 5033725), (20, 4026980), (25, 3221584), (40, 2013490), (50, 1610792), (80, 1006745), (100, 805396), (200, 402698), (227, 354800), (400, 201349), (454, 177400), (887, 90800), (908, 88700), (1135, 70960), (1774, 45400), (1816, 44350), (2270, 35480), (3548, 22700), (3632, 22175), (4435, 18160), (4540, 17740), (5675, 14192), (7096, 11350), (8870, 9080)]