5407280

素因数分解:

$2^4\times 5^1\times {\mathrm{257}}^1\times {\mathrm{263}}^1$

素因数の和:533

約数の個数: 40

約数和(自身を含む): 12668832

約数和(自身を除く): 7261552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 257, 263, 514, 526, 1028, 1052, 1285, 1315, 2056, 2104, 2570, 2630, 4112, 4208, 5140, 5260, 10280, 10520, 20560, 21040, 67591, 135182, 270364, 337955, 540728, 675910, 1081456, 1351820, 2703640, 5407280]

約数ペア:

[(1, 5407280), (2, 2703640), (4, 1351820), (5, 1081456), (8, 675910), (10, 540728), (16, 337955), (20, 270364), (40, 135182), (80, 67591), (257, 21040), (263, 20560), (514, 10520), (526, 10280), (1028, 5260), (1052, 5140), (1285, 4208), (1315, 4112), (2056, 2630), (2104, 2570)]