28757320

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{6719}}^1$

素因数の和:6837

約数の個数: 32

約数和(自身を含む): 65318400

約数和(自身を除く): 36561080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 6719, 13438, 26876, 33595, 53752, 67190, 134380, 268760, 718933, 1437866, 2875732, 3594665, 5751464, 7189330, 14378660, 28757320]

約数ペア:

[(1, 28757320), (2, 14378660), (4, 7189330), (5, 5751464), (8, 3594665), (10, 2875732), (20, 1437866), (40, 718933), (107, 268760), (214, 134380), (428, 67190), (535, 53752), (856, 33595), (1070, 26876), (2140, 13438), (4280, 6719)]