166136560

素因数分解:

$2^4\times 5^1\times {\mathrm{397}}^1\times {\mathrm{5231}}^1$

素因数の和:5641

約数の個数: 40

約数和(自身を含む): 387314496

約数和(自身を除く): 221177936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 397, 794, 1588, 1985, 3176, 3970, 5231, 6352, 7940, 10462, 15880, 20924, 26155, 31760, 41848, 52310, 83696, 104620, 209240, 418480, 2076707, 4153414, 8306828, 10383535, 16613656, 20767070, 33227312, 41534140, 83068280, 166136560]

約数ペア:

[(1, 166136560), (2, 83068280), (4, 41534140), (5, 33227312), (8, 20767070), (10, 16613656), (16, 10383535), (20, 8306828), (40, 4153414), (80, 2076707), (397, 418480), (794, 209240), (1588, 104620), (1985, 83696), (3176, 52310), (3970, 41848), (5231, 31760), (6352, 26155), (7940, 20924), (10462, 15880)]