15691568080

素因数分解:

$2^4\times 5^1\times {\mathrm{196144601}}^1$

素因数の和:196144614

約数の個数: 20

約数和(自身を含む): 36482895972

約数和(自身を除く): 20791327892

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 196144601, 392289202, 784578404, 980723005, 1569156808, 1961446010, 3138313616, 3922892020, 7845784040, 15691568080]

約数ペア:

[(1, 15691568080), (2, 7845784040), (4, 3922892020), (5, 3138313616), (8, 1961446010), (10, 1569156808), (16, 980723005), (20, 784578404), (40, 392289202), (80, 196144601)]