28551560

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{15187}}^1$

素因数の和:15245

約数の個数: 32

約数和(自身を含む): 65612160

約数和(自身を除く): 37060600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 15187, 30374, 60748, 75935, 121496, 151870, 303740, 607480, 713789, 1427578, 2855156, 3568945, 5710312, 7137890, 14275780, 28551560]

約数ペア:

[(1, 28551560), (2, 14275780), (4, 7137890), (5, 5710312), (8, 3568945), (10, 2855156), (20, 1427578), (40, 713789), (47, 607480), (94, 303740), (188, 151870), (235, 121496), (376, 75935), (470, 60748), (940, 30374), (1880, 15187)]