80316280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{182537}}^1$

素因数の和:182559

約数の個数: 32

約数和(自身を含む): 197141040

約数和(自身を除く): 116824760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 182537, 365074, 730148, 912685, 1460296, 1825370, 2007907, 3650740, 4015814, 7301480, 8031628, 10039535, 16063256, 20079070, 40158140, 80316280]

約数ペア:

[(1, 80316280), (2, 40158140), (4, 20079070), (5, 16063256), (8, 10039535), (10, 8031628), (11, 7301480), (20, 4015814), (22, 3650740), (40, 2007907), (44, 1825370), (55, 1460296), (88, 912685), (110, 730148), (220, 365074), (440, 182537)]