40195280

素因数分解:

$2^4\times 5^1\times {\mathrm{502441}}^1$

素因数の和:502454

約数の個数: 20

約数和(自身を含む): 93454212

約数和(自身を除く): 53258932

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 502441, 1004882, 2009764, 2512205, 4019528, 5024410, 8039056, 10048820, 20097640, 40195280]

約数ペア:

[(1, 40195280), (2, 20097640), (4, 10048820), (5, 8039056), (8, 5024410), (10, 4019528), (16, 2512205), (20, 2009764), (40, 1004882), (80, 502441)]