40764560

素因数分解:

$2^4\times 5^1\times {\mathrm{509557}}^1$

素因数の和:509570

約数の個数: 20

約数和(自身を含む): 94777788

約数和(自身を除く): 54013228

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 509557, 1019114, 2038228, 2547785, 4076456, 5095570, 8152912, 10191140, 20382280, 40764560]

約数ペア:

[(1, 40764560), (2, 20382280), (4, 10191140), (5, 8152912), (8, 5095570), (10, 4076456), (16, 2547785), (20, 2038228), (40, 1019114), (80, 509557)]