40213520

素因数分解:

$2^4\times 5^1\times {\mathrm{502669}}^1$

素因数の和:502682

約数の個数: 20

約数和(自身を含む): 93496620

約数和(自身を除く): 53283100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 502669, 1005338, 2010676, 2513345, 4021352, 5026690, 8042704, 10053380, 20106760, 40213520]

約数ペア:

[(1, 40213520), (2, 20106760), (4, 10053380), (5, 8042704), (8, 5026690), (10, 4021352), (16, 2513345), (20, 2010676), (40, 1005338), (80, 502669)]