2008465040

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{353603}}^1$

素因数の和:353687

約数の個数: 40

約数和(自身を含む): 4735464768

約数和(自身を除く): 2726999728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 353603, 707206, 1414412, 1768015, 2828824, 3536030, 5657648, 7072060, 14144120, 25105813, 28288240, 50211626, 100423252, 125529065, 200846504, 251058130, 401693008, 502116260, 1004232520, 2008465040]

約数ペア:

[(1, 2008465040), (2, 1004232520), (4, 502116260), (5, 401693008), (8, 251058130), (10, 200846504), (16, 125529065), (20, 100423252), (40, 50211626), (71, 28288240), (80, 25105813), (142, 14144120), (284, 7072060), (355, 5657648), (568, 3536030), (710, 2828824), (1136, 1768015), (1420, 1414412), (2840, 707206), (5680, 353603)]