90683080

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{17851}}^1$

素因数の和:17989

約数の個数: 32

約数和(自身を含む): 205655040

約数和(自身を除く): 114971960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 17851, 35702, 71404, 89255, 142808, 178510, 357020, 714040, 2267077, 4534154, 9068308, 11335385, 18136616, 22670770, 45341540, 90683080]

約数ペア:

[(1, 90683080), (2, 45341540), (4, 22670770), (5, 18136616), (8, 11335385), (10, 9068308), (20, 4534154), (40, 2267077), (127, 714040), (254, 357020), (508, 178510), (635, 142808), (1016, 89255), (1270, 71404), (2540, 35702), (5080, 17851)]