8680873160

素因数分解:

$2^3\times 5^1\times {\mathrm{217021829}}^1$

素因数の和:217021840

約数の個数: 16

約数和(自身を含む): 19531964700

約数和(自身を除く): 10851091540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 217021829, 434043658, 868087316, 1085109145, 1736174632, 2170218290, 4340436580, 8680873160]

約数ペア:

[(1, 8680873160), (2, 4340436580), (4, 2170218290), (5, 1736174632), (8, 1085109145), (10, 868087316), (20, 434043658), (40, 217021829)]