28572760

素因数分解:

$2^3\times 5^1\times {\mathrm{701}}^1\times {\mathrm{1019}}^1$

素因数の和:1731

約数の個数: 32

約数和(自身を含む): 64443600

約数和(自身を除く): 35870840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 701, 1019, 1402, 2038, 2804, 3505, 4076, 5095, 5608, 7010, 8152, 10190, 14020, 20380, 28040, 40760, 714319, 1428638, 2857276, 3571595, 5714552, 7143190, 14286380, 28572760]

約数ペア:

[(1, 28572760), (2, 14286380), (4, 7143190), (5, 5714552), (8, 3571595), (10, 2857276), (20, 1428638), (40, 714319), (701, 40760), (1019, 28040), (1402, 20380), (2038, 14020), (2804, 10190), (3505, 8152), (4076, 7010), (5095, 5608)]