79857320

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{7591}}^1$

素因数の和:7865

約数の個数: 32

約数和(自身を含む): 180385920

約数和(自身を除く): 100528600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 5260, 7591, 10520, 15182, 30364, 37955, 60728, 75910, 151820, 303640, 1996433, 3992866, 7985732, 9982165, 15971464, 19964330, 39928660, 79857320]

約数ペア:

[(1, 79857320), (2, 39928660), (4, 19964330), (5, 15971464), (8, 9982165), (10, 7985732), (20, 3992866), (40, 1996433), (263, 303640), (526, 151820), (1052, 75910), (1315, 60728), (2104, 37955), (2630, 30364), (5260, 15182), (7591, 10520)]