123455720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{134191}}^1$

素因数の和:134225

約数の個数: 32

約数和(自身を含む): 289854720

約数和(自身を除く): 166399000

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 134191, 268382, 536764, 670955, 1073528, 1341910, 2683820, 3086393, 5367640, 6172786, 12345572, 15431965, 24691144, 30863930, 61727860, 123455720]

約数ペア:

[(1, 123455720), (2, 61727860), (4, 30863930), (5, 24691144), (8, 15431965), (10, 12345572), (20, 6172786), (23, 5367640), (40, 3086393), (46, 2683820), (92, 1341910), (115, 1073528), (184, 670955), (230, 536764), (460, 268382), (920, 134191)]