89767120

素因数分解:

$2^4\times 5^1\times {\mathrm{1122089}}^1$

素因数の和:1122102

約数の個数: 20

約数和(自身を含む): 208708740

約数和(自身を除く): 118941620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1122089, 2244178, 4488356, 5610445, 8976712, 11220890, 17953424, 22441780, 44883560, 89767120]

約数ペア:

[(1, 89767120), (2, 44883560), (4, 22441780), (5, 17953424), (8, 11220890), (10, 8976712), (16, 5610445), (20, 4488356), (40, 2244178), (80, 1122089)]