28913480

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{4787}}^1$

素因数の和:4949

約数の個数: 32

約数和(自身を含む): 65499840

約数和(自身を除く): 36586360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 604, 755, 1208, 1510, 3020, 4787, 6040, 9574, 19148, 23935, 38296, 47870, 95740, 191480, 722837, 1445674, 2891348, 3614185, 5782696, 7228370, 14456740, 28913480]

約数ペア:

[(1, 28913480), (2, 14456740), (4, 7228370), (5, 5782696), (8, 3614185), (10, 2891348), (20, 1445674), (40, 722837), (151, 191480), (302, 95740), (604, 47870), (755, 38296), (1208, 23935), (1510, 19148), (3020, 9574), (4787, 6040)]