127820120

素因数分解:

$2^3\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{3167}}^1$

素因数の和:4187

約数の個数: 32

約数和(自身を含む): 287971200

約数和(自身を除く): 160151080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1009, 2018, 3167, 4036, 5045, 6334, 8072, 10090, 12668, 15835, 20180, 25336, 31670, 40360, 63340, 126680, 3195503, 6391006, 12782012, 15977515, 25564024, 31955030, 63910060, 127820120]

約数ペア:

[(1, 127820120), (2, 63910060), (4, 31955030), (5, 25564024), (8, 15977515), (10, 12782012), (20, 6391006), (40, 3195503), (1009, 126680), (2018, 63340), (3167, 40360), (4036, 31670), (5045, 25336), (6334, 20180), (8072, 15835), (10090, 12668)]