51405820

素因数分解:

$2^2\times 5^1\times {\mathrm{541}}^1\times {\mathrm{4751}}^1$

素因数の和:5301

約数の個数: 24

約数和(自身を含む): 108174528

約数和(自身を除く): 56768708

約数列:

[1, 2, 4, 5, 10, 20, 541, 1082, 2164, 2705, 4751, 5410, 9502, 10820, 19004, 23755, 47510, 95020, 2570291, 5140582, 10281164, 12851455, 25702910, 51405820]

約数ペア:

[(1, 51405820), (2, 25702910), (4, 12851455), (5, 10281164), (10, 5140582), (20, 2570291), (541, 95020), (1082, 47510), (2164, 23755), (2705, 19004), (4751, 10820), (5410, 9502)]