9540520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21683}}^1$

素因数の和:21705

約数の個数: 32

約数和(自身を含む): 23418720

約数和(自身を除く): 13878200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 21683, 43366, 86732, 108415, 173464, 216830, 238513, 433660, 477026, 867320, 954052, 1192565, 1908104, 2385130, 4770260, 9540520]

約数ペア:

[(1, 9540520), (2, 4770260), (4, 2385130), (5, 1908104), (8, 1192565), (10, 954052), (11, 867320), (20, 477026), (22, 433660), (40, 238513), (44, 216830), (55, 173464), (88, 108415), (110, 86732), (220, 43366), (440, 21683)]