89385820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{4519}}^1$

素因数の和:4594

約数の個数: 48

約数和(自身を含む): 200471040

約数和(自身を除く): 111085220

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 115, 172, 215, 230, 430, 460, 860, 989, 1978, 3956, 4519, 4945, 9038, 9890, 18076, 19780, 22595, 45190, 90380, 103937, 194317, 207874, 388634, 415748, 519685, 777268, 971585, 1039370, 1943170, 2078740, 3886340, 4469291, 8938582, 17877164, 22346455, 44692910, 89385820]

約数ペア:

[(1, 89385820), (2, 44692910), (4, 22346455), (5, 17877164), (10, 8938582), (20, 4469291), (23, 3886340), (43, 2078740), (46, 1943170), (86, 1039370), (92, 971585), (115, 777268), (172, 519685), (215, 415748), (230, 388634), (430, 207874), (460, 194317), (860, 103937), (989, 90380), (1978, 45190), (3956, 22595), (4519, 19780), (4945, 18076), (9038, 9890)]