28206160

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{4463}}^1$

素因数の和:4555

約数の個数: 40

約数和(自身を含む): 66424320

約数和(自身を除く): 38218160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 4463, 6320, 8926, 17852, 22315, 35704, 44630, 71408, 89260, 178520, 352577, 357040, 705154, 1410308, 1762885, 2820616, 3525770, 5641232, 7051540, 14103080, 28206160]

約数ペア:

[(1, 28206160), (2, 14103080), (4, 7051540), (5, 5641232), (8, 3525770), (10, 2820616), (16, 1762885), (20, 1410308), (40, 705154), (79, 357040), (80, 352577), (158, 178520), (316, 89260), (395, 71408), (632, 44630), (790, 35704), (1264, 22315), (1580, 17852), (3160, 8926), (4463, 6320)]