89900120

素因数分解:

$2^3\times 5^1\times {\mathrm{2247503}}^1$

素因数の和:2247514

約数の個数: 16

約数和(自身を含む): 202275360

約数和(自身を除く): 112375240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2247503, 4495006, 8990012, 11237515, 17980024, 22475030, 44950060, 89900120]

約数ペア:

[(1, 89900120), (2, 44950060), (4, 22475030), (5, 17980024), (8, 11237515), (10, 8990012), (20, 4495006), (40, 2247503)]