6851920

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2089}}^1$

素因数の和:2143

約数の個数: 40

約数和(自身を含む): 16327080

約数和(自身を除く): 9475160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 2089, 3280, 4178, 8356, 10445, 16712, 20890, 33424, 41780, 83560, 85649, 167120, 171298, 342596, 428245, 685192, 856490, 1370384, 1712980, 3425960, 6851920]

約数ペア:

[(1, 6851920), (2, 3425960), (4, 1712980), (5, 1370384), (8, 856490), (10, 685192), (16, 428245), (20, 342596), (40, 171298), (41, 167120), (80, 85649), (82, 83560), (164, 41780), (205, 33424), (328, 20890), (410, 16712), (656, 10445), (820, 8356), (1640, 4178), (2089, 3280)]