2011343920

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{584693}}^1$

素因数の和:584749

約数の個数: 40

約数和(自身を含む): 4785135696

約数和(自身を除く): 2773791776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 584693, 1169386, 2338772, 2923465, 4677544, 5846930, 9355088, 11693860, 23387720, 25141799, 46775440, 50283598, 100567196, 125708995, 201134392, 251417990, 402268784, 502835980, 1005671960, 2011343920]

約数ペア:

[(1, 2011343920), (2, 1005671960), (4, 502835980), (5, 402268784), (8, 251417990), (10, 201134392), (16, 125708995), (20, 100567196), (40, 50283598), (43, 46775440), (80, 25141799), (86, 23387720), (172, 11693860), (215, 9355088), (344, 5846930), (430, 4677544), (688, 2923465), (860, 2338772), (1720, 1169386), (3440, 584693)]