28207160

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{2297}}^1$

素因数の和:2615

約数の個数: 32

約数和(自身を含む): 63700560

約数和(自身を除く): 35493400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 1228, 1535, 2297, 2456, 3070, 4594, 6140, 9188, 11485, 12280, 18376, 22970, 45940, 91880, 705179, 1410358, 2820716, 3525895, 5641432, 7051790, 14103580, 28207160]

約数ペア:

[(1, 28207160), (2, 14103580), (4, 7051790), (5, 5641432), (8, 3525895), (10, 2820716), (20, 1410358), (40, 705179), (307, 91880), (614, 45940), (1228, 22970), (1535, 18376), (2297, 12280), (2456, 11485), (3070, 9188), (4594, 6140)]