208060400

素因数分解:

$2^4\times 5^2\times {\mathrm{520151}}^1$

素因数の和:520169

約数の個数: 30

約数和(自身を含む): 499866072

約数和(自身を除く): 291805672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 520151, 1040302, 2080604, 2600755, 4161208, 5201510, 8322416, 10403020, 13003775, 20806040, 26007550, 41612080, 52015100, 104030200, 208060400]

約数ペア:

[(1, 208060400), (2, 104030200), (4, 52015100), (5, 41612080), (8, 26007550), (10, 20806040), (16, 13003775), (20, 10403020), (25, 8322416), (40, 5201510), (50, 4161208), (80, 2600755), (100, 2080604), (200, 1040302), (400, 520151)]