19850800

素因数分解:

$2^4\times 5^2\times {\mathrm{49627}}^1$

素因数の和:49645

約数の個数: 30

約数和(自身を含む): 47692508

約数和(自身を除く): 27841708

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 49627, 99254, 198508, 248135, 397016, 496270, 794032, 992540, 1240675, 1985080, 2481350, 3970160, 4962700, 9925400, 19850800]

約数ペア:

[(1, 19850800), (2, 9925400), (4, 4962700), (5, 3970160), (8, 2481350), (10, 1985080), (16, 1240675), (20, 992540), (25, 794032), (40, 496270), (50, 397016), (80, 248135), (100, 198508), (200, 99254), (400, 49627)]