199380040

素因数分解:

$2^3\times 5^1\times {\mathrm{1319}}^1\times {\mathrm{3779}}^1$

素因数の和:5109

約数の個数: 32

約数和(自身を含む): 449064000

約数和(自身を除く): 249683960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1319, 2638, 3779, 5276, 6595, 7558, 10552, 13190, 15116, 18895, 26380, 30232, 37790, 52760, 75580, 151160, 4984501, 9969002, 19938004, 24922505, 39876008, 49845010, 99690020, 199380040]

約数ペア:

[(1, 199380040), (2, 99690020), (4, 49845010), (5, 39876008), (8, 24922505), (10, 19938004), (20, 9969002), (40, 4984501), (1319, 151160), (2638, 75580), (3779, 52760), (5276, 37790), (6595, 30232), (7558, 26380), (10552, 18895), (13190, 15116)]