81454060

素因数分解:

$2^2\times 5^1\times {\mathrm{1091}}^1\times {\mathrm{3733}}^1$

素因数の和:4833

約数の個数: 24

約数和(自身を含む): 171256176

約数和(自身を除く): 89802116

約数列:

[1, 2, 4, 5, 10, 20, 1091, 2182, 3733, 4364, 5455, 7466, 10910, 14932, 18665, 21820, 37330, 74660, 4072703, 8145406, 16290812, 20363515, 40727030, 81454060]

約数ペア:

[(1, 81454060), (2, 40727030), (4, 20363515), (5, 16290812), (10, 8145406), (20, 4072703), (1091, 74660), (2182, 37330), (3733, 21820), (4364, 18665), (5455, 14932), (7466, 10910)]