28253560

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{8941}}^1$

素因数の和:9031

約数の個数: 32

約数和(自身を含む): 64382400

約数和(自身を除く): 36128840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 8941, 17882, 35764, 44705, 71528, 89410, 178820, 357640, 706339, 1412678, 2825356, 3531695, 5650712, 7063390, 14126780, 28253560]

約数ペア:

[(1, 28253560), (2, 14126780), (4, 7063390), (5, 5650712), (8, 3531695), (10, 2825356), (20, 1412678), (40, 706339), (79, 357640), (158, 178820), (316, 89410), (395, 71528), (632, 44705), (790, 35764), (1580, 17882), (3160, 8941)]