28384880

素因数分解:

$2^4\times 5^1\times {\mathrm{269}}^1\times {\mathrm{1319}}^1$

素因数の和:1601

約数の個数: 40

約数和(自身を含む): 66290400

約数和(自身を除く): 37905520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 269, 538, 1076, 1319, 1345, 2152, 2638, 2690, 4304, 5276, 5380, 6595, 10552, 10760, 13190, 21104, 21520, 26380, 52760, 105520, 354811, 709622, 1419244, 1774055, 2838488, 3548110, 5676976, 7096220, 14192440, 28384880]

約数ペア:

[(1, 28384880), (2, 14192440), (4, 7096220), (5, 5676976), (8, 3548110), (10, 2838488), (16, 1774055), (20, 1419244), (40, 709622), (80, 354811), (269, 105520), (538, 52760), (1076, 26380), (1319, 21520), (1345, 21104), (2152, 13190), (2638, 10760), (2690, 10552), (4304, 6595), (5276, 5380)]