85872040

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{52361}}^1$

素因数の和:52413

約数の個数: 32

約数和(自身を含む): 197928360

約数和(自身を除く): 112056320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 52361, 104722, 209444, 261805, 418888, 523610, 1047220, 2094440, 2146801, 4293602, 8587204, 10734005, 17174408, 21468010, 42936020, 85872040]

約数ペア:

[(1, 85872040), (2, 42936020), (4, 21468010), (5, 17174408), (8, 10734005), (10, 8587204), (20, 4293602), (40, 2146801), (41, 2094440), (82, 1047220), (164, 523610), (205, 418888), (328, 261805), (410, 209444), (820, 104722), (1640, 52361)]