220067560

素因数分解:

$2^3\times 5^1\times {\mathrm{631}}^1\times {\mathrm{8719}}^1$

素因数の和:9361

約数の個数: 32

約数和(自身を含む): 495993600

約数和(自身を除く): 275926040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 631, 1262, 2524, 3155, 5048, 6310, 8719, 12620, 17438, 25240, 34876, 43595, 69752, 87190, 174380, 348760, 5501689, 11003378, 22006756, 27508445, 44013512, 55016890, 110033780, 220067560]

約数ペア:

[(1, 220067560), (2, 110033780), (4, 55016890), (5, 44013512), (8, 27508445), (10, 22006756), (20, 11003378), (40, 5501689), (631, 348760), (1262, 174380), (2524, 87190), (3155, 69752), (5048, 43595), (6310, 34876), (8719, 25240), (12620, 17438)]