71324560

素因数分解:

$2^4\times 5^1\times {\mathrm{891557}}^1$

素因数の和:891570

約数の個数: 20

約数和(自身を含む): 165829788

約数和(自身を除く): 94505228

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 891557, 1783114, 3566228, 4457785, 7132456, 8915570, 14264912, 17831140, 35662280, 71324560]

約数ペア:

[(1, 71324560), (2, 35662280), (4, 17831140), (5, 14264912), (8, 8915570), (10, 7132456), (16, 4457785), (20, 3566228), (40, 1783114), (80, 891557)]