51840080

素因数分解:

$2^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{4349}}^1$

素因数の和:4511

約数の個数: 40

約数和(自身を含む): 121365000

約数和(自身を除く): 69524920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149, 298, 596, 745, 1192, 1490, 2384, 2980, 4349, 5960, 8698, 11920, 17396, 21745, 34792, 43490, 69584, 86980, 173960, 347920, 648001, 1296002, 2592004, 3240005, 5184008, 6480010, 10368016, 12960020, 25920040, 51840080]

約数ペア:

[(1, 51840080), (2, 25920040), (4, 12960020), (5, 10368016), (8, 6480010), (10, 5184008), (16, 3240005), (20, 2592004), (40, 1296002), (80, 648001), (149, 347920), (298, 173960), (596, 86980), (745, 69584), (1192, 43490), (1490, 34792), (2384, 21745), (2980, 17396), (4349, 11920), (5960, 8698)]