809380360

素因数分解:

$2^3\times 5^1\times {\mathrm{4751}}^1\times {\mathrm{4259}}^1$

素因数の和:9021

約数の個数: 32

約数和(自身を含む): 1821916800

約数和(自身を除く): 1012536440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4259, 4751, 8518, 9502, 17036, 19004, 21295, 23755, 34072, 38008, 42590, 47510, 85180, 95020, 170360, 190040, 20234509, 40469018, 80938036, 101172545, 161876072, 202345090, 404690180, 809380360]

約数ペア:

[(1, 809380360), (2, 404690180), (4, 202345090), (5, 161876072), (8, 101172545), (10, 80938036), (20, 40469018), (40, 20234509), (4259, 190040), (4751, 170360), (8518, 95020), (9502, 85180), (17036, 47510), (19004, 42590), (21295, 38008), (23755, 34072)]