85400080

素因数分解:

$2^4\times 5^1\times {\mathrm{223}}^1\times {\mathrm{4787}}^1$

素因数の和:5023

約数の個数: 40

約数和(自身を含む): 199487232

約数和(自身を除く): 114087152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 223, 446, 892, 1115, 1784, 2230, 3568, 4460, 4787, 8920, 9574, 17840, 19148, 23935, 38296, 47870, 76592, 95740, 191480, 382960, 1067501, 2135002, 4270004, 5337505, 8540008, 10675010, 17080016, 21350020, 42700040, 85400080]

約数ペア:

[(1, 85400080), (2, 42700040), (4, 21350020), (5, 17080016), (8, 10675010), (10, 8540008), (16, 5337505), (20, 4270004), (40, 2135002), (80, 1067501), (223, 382960), (446, 191480), (892, 95740), (1115, 76592), (1784, 47870), (2230, 38296), (3568, 23935), (4460, 19148), (4787, 17840), (8920, 9574)]