26783720

素因数分解:

$2^3\times 5^1\times {\mathrm{661}}^1\times {\mathrm{1013}}^1$

素因数の和:1685

約数の個数: 32

約数和(自身を含む): 60414120

約数和(自身を除く): 33630400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 661, 1013, 1322, 2026, 2644, 3305, 4052, 5065, 5288, 6610, 8104, 10130, 13220, 20260, 26440, 40520, 669593, 1339186, 2678372, 3347965, 5356744, 6695930, 13391860, 26783720]

約数ペア:

[(1, 26783720), (2, 13391860), (4, 6695930), (5, 5356744), (8, 3347965), (10, 2678372), (20, 1339186), (40, 669593), (661, 40520), (1013, 26440), (1322, 20260), (2026, 13220), (2644, 10130), (3305, 8104), (4052, 6610), (5065, 5288)]