2703640

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{263}}^1$

素因数の和:531

約数の個数: 32

約数和(自身を含む): 6130080

約数和(自身を除く): 3426440

約数列:

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

約数ペア:

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