78794020

素因数分解:

$2^2\times 5^1\times {\mathrm{823}}^1\times {\mathrm{4787}}^1$

素因数の和:5619

約数の個数: 24

約数和(自身を含む): 165703104

約数和(自身を除く): 86909084

約数列:

[1, 2, 4, 5, 10, 20, 823, 1646, 3292, 4115, 4787, 8230, 9574, 16460, 19148, 23935, 47870, 95740, 3939701, 7879402, 15758804, 19698505, 39397010, 78794020]

約数ペア:

[(1, 78794020), (2, 39397010), (4, 19698505), (5, 15758804), (10, 7879402), (20, 3939701), (823, 95740), (1646, 47870), (3292, 23935), (4115, 19148), (4787, 16460), (8230, 9574)]