70740520

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{8887}}^1$

素因数の和:9097

約数の個数: 32

約数和(自身を含む): 159984000

約数和(自身を除く): 89243480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3980, 7960, 8887, 17774, 35548, 44435, 71096, 88870, 177740, 355480, 1768513, 3537026, 7074052, 8842565, 14148104, 17685130, 35370260, 70740520]

約数ペア:

[(1, 70740520), (2, 35370260), (4, 17685130), (5, 14148104), (8, 8842565), (10, 7074052), (20, 3537026), (40, 1768513), (199, 355480), (398, 177740), (796, 88870), (995, 71096), (1592, 44435), (1990, 35548), (3980, 17774), (7960, 8887)]