20876679280

素因数分解:

$2^4\times 5^1\times {\mathrm{260958491}}^1$

素因数の和:260958504

約数の個数: 20

約数和(自身を含む): 48538279512

約数和(自身を除く): 27661600232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 260958491, 521916982, 1043833964, 1304792455, 2087667928, 2609584910, 4175335856, 5219169820, 10438339640, 20876679280]

約数ペア:

[(1, 20876679280), (2, 10438339640), (4, 5219169820), (5, 4175335856), (8, 2609584910), (10, 2087667928), (16, 1304792455), (20, 1043833964), (40, 521916982), (80, 260958491)]