8040560

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9137}}^1$

素因数の和:9161

約数の個数: 40

約数和(自身を含む): 20396016

約数和(自身を除く): 12355456

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 9137, 18274, 36548, 45685, 73096, 91370, 100507, 146192, 182740, 201014, 365480, 402028, 502535, 730960, 804056, 1005070, 1608112, 2010140, 4020280, 8040560]

約数ペア:

[(1, 8040560), (2, 4020280), (4, 2010140), (5, 1608112), (8, 1005070), (10, 804056), (11, 730960), (16, 502535), (20, 402028), (22, 365480), (40, 201014), (44, 182740), (55, 146192), (80, 100507), (88, 91370), (110, 73096), (176, 45685), (220, 36548), (440, 18274), (880, 9137)]