1020247960

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{247633}}^1$

素因数の和:247747

約数の個数: 32

約数和(自身を含む): 2317854240

約数和(自身を除く): 1297606280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 247633, 495266, 990532, 1238165, 1981064, 2476330, 4952660, 9905320, 25506199, 51012398, 102024796, 127530995, 204049592, 255061990, 510123980, 1020247960]

約数ペア:

[(1, 1020247960), (2, 510123980), (4, 255061990), (5, 204049592), (8, 127530995), (10, 102024796), (20, 51012398), (40, 25506199), (103, 9905320), (206, 4952660), (412, 2476330), (515, 1981064), (824, 1238165), (1030, 990532), (2060, 495266), (4120, 247633)]