12510800

素因数分解:

$2^4\times 5^2\times {\mathrm{31277}}^1$

素因数の和:31295

約数の個数: 30

約数和(自身を含む): 30058158

約数和(自身を除く): 17547358

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 31277, 62554, 125108, 156385, 250216, 312770, 500432, 625540, 781925, 1251080, 1563850, 2502160, 3127700, 6255400, 12510800]

約数ペア:

[(1, 12510800), (2, 6255400), (4, 3127700), (5, 2502160), (8, 1563850), (10, 1251080), (16, 781925), (20, 625540), (25, 500432), (40, 312770), (50, 250216), (80, 156385), (100, 125108), (200, 62554), (400, 31277)]