28161880

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{11933}}^1$

素因数の和:12003

約数の個数: 32

約数和(自身を含む): 64443600

約数和(自身を除く): 36281720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 2360, 11933, 23866, 47732, 59665, 95464, 119330, 238660, 477320, 704047, 1408094, 2816188, 3520235, 5632376, 7040470, 14080940, 28161880]

約数ペア:

[(1, 28161880), (2, 14080940), (4, 7040470), (5, 5632376), (8, 3520235), (10, 2816188), (20, 1408094), (40, 704047), (59, 477320), (118, 238660), (236, 119330), (295, 95464), (472, 59665), (590, 47732), (1180, 23866), (2360, 11933)]