99977480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{80627}}^1$

素因数の和:80669

約数の個数: 32

約数和(自身を含む): 232208640

約数和(自身を除く): 132231160

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 80627, 161254, 322508, 403135, 645016, 806270, 1612540, 2499437, 3225080, 4998874, 9997748, 12497185, 19995496, 24994370, 49988740, 99977480]

約数ペア:

[(1, 99977480), (2, 49988740), (4, 24994370), (5, 19995496), (8, 12497185), (10, 9997748), (20, 4998874), (31, 3225080), (40, 2499437), (62, 1612540), (124, 806270), (155, 645016), (248, 403135), (310, 322508), (620, 161254), (1240, 80627)]