40727512220

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{203821}}^1$

素因数の和:204030

約数の個数: 48

約数和(自身を含む): 87248860608

約数和(自身を除く): 46521348388

約数列:

[1, 2, 4, 5, 10, 20, 97, 103, 194, 206, 388, 412, 485, 515, 970, 1030, 1940, 2060, 9991, 19982, 39964, 49955, 99910, 199820, 203821, 407642, 815284, 1019105, 2038210, 4076420, 19770637, 20993563, 39541274, 41987126, 79082548, 83974252, 98853185, 104967815, 197706370, 209935630, 395412740, 419871260, 2036375611, 4072751222, 8145502444, 10181878055, 20363756110, 40727512220]

約数ペア:

[(1, 40727512220), (2, 20363756110), (4, 10181878055), (5, 8145502444), (10, 4072751222), (20, 2036375611), (97, 419871260), (103, 395412740), (194, 209935630), (206, 197706370), (388, 104967815), (412, 98853185), (485, 83974252), (515, 79082548), (970, 41987126), (1030, 39541274), (1940, 20993563), (2060, 19770637), (9991, 4076420), (19982, 2038210), (39964, 1019105), (49955, 815284), (99910, 407642), (199820, 203821)]