31112124080

素因数分解:

$2^4\times 5^1\times {\mathrm{388901551}}^1$

素因数の和:388901564

約数の個数: 20

約数和(自身を含む): 72335688672

約数和(自身を除く): 41223564592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 388901551, 777803102, 1555606204, 1944507755, 3111212408, 3889015510, 6222424816, 7778031020, 15556062040, 31112124080]

約数ペア:

[(1, 31112124080), (2, 15556062040), (4, 7778031020), (5, 6222424816), (8, 3889015510), (10, 3111212408), (16, 1944507755), (20, 1555606204), (40, 777803102), (80, 388901551)]