8545820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{523}}^1$

素因数の和:594

約数の個数: 48

約数和(自身を含む): 19367040

約数和(自身を除く): 10821220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 380, 430, 523, 817, 860, 1046, 1634, 2092, 2615, 3268, 4085, 5230, 8170, 9937, 10460, 16340, 19874, 22489, 39748, 44978, 49685, 89956, 99370, 112445, 198740, 224890, 427291, 449780, 854582, 1709164, 2136455, 4272910, 8545820]

約数ペア:

[(1, 8545820), (2, 4272910), (4, 2136455), (5, 1709164), (10, 854582), (19, 449780), (20, 427291), (38, 224890), (43, 198740), (76, 112445), (86, 99370), (95, 89956), (172, 49685), (190, 44978), (215, 39748), (380, 22489), (430, 19874), (523, 16340), (817, 10460), (860, 9937), (1046, 8170), (1634, 5230), (2092, 4085), (2615, 3268)]