79867600

素因数分解:

$2^4\times 5^2\times {\mathrm{199669}}^1$

素因数の和:199687

約数の個数: 30

約数和(自身を含む): 191882870

約数和(自身を除く): 112015270

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 199669, 399338, 798676, 998345, 1597352, 1996690, 3194704, 3993380, 4991725, 7986760, 9983450, 15973520, 19966900, 39933800, 79867600]

約数ペア:

[(1, 79867600), (2, 39933800), (4, 19966900), (5, 15973520), (8, 9983450), (10, 7986760), (16, 4991725), (20, 3993380), (25, 3194704), (40, 1996690), (50, 1597352), (80, 998345), (100, 798676), (200, 399338), (400, 199669)]