81025820

素因数分解:

$2^2\times 5^1\times {\mathrm{733}}^1\times {\mathrm{5527}}^1$

素因数の和:6269

約数の個数: 24

約数和(自身を含む): 170417184

約数和(自身を除く): 89391364

約数列:

[1, 2, 4, 5, 10, 20, 733, 1466, 2932, 3665, 5527, 7330, 11054, 14660, 22108, 27635, 55270, 110540, 4051291, 8102582, 16205164, 20256455, 40512910, 81025820]

約数ペア:

[(1, 81025820), (2, 40512910), (4, 20256455), (5, 16205164), (10, 8102582), (20, 4051291), (733, 110540), (1466, 55270), (2932, 27635), (3665, 22108), (5527, 14660), (7330, 11054)]