81047860

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{176191}}^1$

素因数の和:176223

約数の個数: 24

約数和(自身を含む): 177601536

約数和(自身を除く): 96553676

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 176191, 352382, 704764, 880955, 1761910, 3523820, 4052393, 8104786, 16209572, 20261965, 40523930, 81047860]

約数ペア:

[(1, 81047860), (2, 40523930), (4, 20261965), (5, 16209572), (10, 8104786), (20, 4052393), (23, 3523820), (46, 1761910), (92, 880955), (115, 704764), (230, 352382), (460, 176191)]