155768980

素因数分解:

$2^2\times 5^1\times {\mathrm{1627}}^1\times {\mathrm{4787}}^1$

素因数の和:6423

約数の個数: 24

約数和(自身を含む): 327384288

約数和(自身を除く): 171615308

約数列:

[1, 2, 4, 5, 10, 20, 1627, 3254, 4787, 6508, 8135, 9574, 16270, 19148, 23935, 32540, 47870, 95740, 7788449, 15576898, 31153796, 38942245, 77884490, 155768980]

約数ペア:

[(1, 155768980), (2, 77884490), (4, 38942245), (5, 31153796), (10, 15576898), (20, 7788449), (1627, 95740), (3254, 47870), (4787, 32540), (6508, 23935), (8135, 19148), (9574, 16270)]