20180719960

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{4898233}}^1$

素因数の和:4898347

約数の個数: 32

約数和(自身を含む): 45847470240

約数和(自身を除く): 25666750280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 4898233, 9796466, 19592932, 24491165, 39185864, 48982330, 97964660, 195929320, 504517999, 1009035998, 2018071996, 2522589995, 4036143992, 5045179990, 10090359980, 20180719960]

約数ペア:

[(1, 20180719960), (2, 10090359980), (4, 5045179990), (5, 4036143992), (8, 2522589995), (10, 2018071996), (20, 1009035998), (40, 504517999), (103, 195929320), (206, 97964660), (412, 48982330), (515, 39185864), (824, 24491165), (1030, 19592932), (2060, 9796466), (4120, 4898233)]