248156080

素因数分解:

$2^4\times 5^1\times {\mathrm{3101951}}^1$

素因数の和:3101964

約数の個数: 20

約数和(自身を含む): 576963072

約数和(自身を除く): 328806992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3101951, 6203902, 12407804, 15509755, 24815608, 31019510, 49631216, 62039020, 124078040, 248156080]

約数ペア:

[(1, 248156080), (2, 124078040), (4, 62039020), (5, 49631216), (8, 31019510), (10, 24815608), (16, 15509755), (20, 12407804), (40, 6203902), (80, 3101951)]