28514320

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{3529}}^1$

素因数の和:3643

約数の個数: 40

約数和(自身を含む): 66971160

約数和(自身を除く): 38456840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 3529, 4040, 7058, 8080, 14116, 17645, 28232, 35290, 56464, 70580, 141160, 282320, 356429, 712858, 1425716, 1782145, 2851432, 3564290, 5702864, 7128580, 14257160, 28514320]

約数ペア:

[(1, 28514320), (2, 14257160), (4, 7128580), (5, 5702864), (8, 3564290), (10, 2851432), (16, 1782145), (20, 1425716), (40, 712858), (80, 356429), (101, 282320), (202, 141160), (404, 70580), (505, 56464), (808, 35290), (1010, 28232), (1616, 17645), (2020, 14116), (3529, 8080), (4040, 7058)]