28051220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73819}}^1$

素因数の和:73847

約数の個数: 24

約数和(自身を含む): 62008800

約数和(自身を除く): 33957580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 73819, 147638, 295276, 369095, 738190, 1402561, 1476380, 2805122, 5610244, 7012805, 14025610, 28051220]

約数ペア:

[(1, 28051220), (2, 14025610), (4, 7012805), (5, 5610244), (10, 2805122), (19, 1476380), (20, 1402561), (38, 738190), (76, 369095), (95, 295276), (190, 147638), (380, 73819)]