91223120

素因数分解:

$2^4\times 5^1\times {\mathrm{1140289}}^1$

素因数の和:1140302

約数の個数: 20

約数和(自身を含む): 212093940

約数和(自身を除く): 120870820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1140289, 2280578, 4561156, 5701445, 9122312, 11402890, 18244624, 22805780, 45611560, 91223120]

約数ペア:

[(1, 91223120), (2, 45611560), (4, 22805780), (5, 18244624), (8, 11402890), (10, 9122312), (16, 5701445), (20, 4561156), (40, 2280578), (80, 1140289)]