20100609080

素因数分解:

$2^3\times 5^1\times {\mathrm{23311}}^1\times {\mathrm{21557}}^1$

素因数の和:44879

約数の個数: 32

約数和(自身を含む): 45230408640

約数和(自身を除く): 25129799560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 21557, 23311, 43114, 46622, 86228, 93244, 107785, 116555, 172456, 186488, 215570, 233110, 431140, 466220, 862280, 932440, 502515227, 1005030454, 2010060908, 2512576135, 4020121816, 5025152270, 10050304540, 20100609080]

約数ペア:

[(1, 20100609080), (2, 10050304540), (4, 5025152270), (5, 4020121816), (8, 2512576135), (10, 2010060908), (20, 1005030454), (40, 502515227), (21557, 932440), (23311, 862280), (43114, 466220), (46622, 431140), (86228, 233110), (93244, 215570), (107785, 186488), (116555, 172456)]