22089520

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3889}}^1$

素因数の和:3973

約数の個数: 40

約数和(自身を含む): 52094880

約数和(自身を除く): 30005360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 3889, 5680, 7778, 15556, 19445, 31112, 38890, 62224, 77780, 155560, 276119, 311120, 552238, 1104476, 1380595, 2208952, 2761190, 4417904, 5522380, 11044760, 22089520]

約数ペア:

[(1, 22089520), (2, 11044760), (4, 5522380), (5, 4417904), (8, 2761190), (10, 2208952), (16, 1380595), (20, 1104476), (40, 552238), (71, 311120), (80, 276119), (142, 155560), (284, 77780), (355, 62224), (568, 38890), (710, 31112), (1136, 19445), (1420, 15556), (2840, 7778), (3889, 5680)]