90483080

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{20753}}^1$

素因数の和:20873

約数の個数: 32

約数和(自身を含む): 205464600

約数和(自身を除く): 114981520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 20753, 41506, 83012, 103765, 166024, 207530, 415060, 830120, 2262077, 4524154, 9048308, 11310385, 18096616, 22620770, 45241540, 90483080]

約数ペア:

[(1, 90483080), (2, 45241540), (4, 22620770), (5, 18096616), (8, 11310385), (10, 9048308), (20, 4524154), (40, 2262077), (109, 830120), (218, 415060), (436, 207530), (545, 166024), (872, 103765), (1090, 83012), (2180, 41506), (4360, 20753)]