39948280

素因数分解:

$2^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{3529}}^1$

素因数の和:3823

約数の個数: 32

約数和(自身を含む): 90226800

約数和(自身を除く): 50278520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 283, 566, 1132, 1415, 2264, 2830, 3529, 5660, 7058, 11320, 14116, 17645, 28232, 35290, 70580, 141160, 998707, 1997414, 3994828, 4993535, 7989656, 9987070, 19974140, 39948280]

約数ペア:

[(1, 39948280), (2, 19974140), (4, 9987070), (5, 7989656), (8, 4993535), (10, 3994828), (20, 1997414), (40, 998707), (283, 141160), (566, 70580), (1132, 35290), (1415, 28232), (2264, 17645), (2830, 14116), (3529, 11320), (5660, 7058)]