2089940

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1259}}^1$

素因数の和:1351

約数の個数: 24

約数和(自身を含む): 4445280

約数和(自身を除く): 2355340

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1259, 1660, 2518, 5036, 6295, 12590, 25180, 104497, 208994, 417988, 522485, 1044970, 2089940]

約数ペア:

[(1, 2089940), (2, 1044970), (4, 522485), (5, 417988), (10, 208994), (20, 104497), (83, 25180), (166, 12590), (332, 6295), (415, 5036), (830, 2518), (1259, 1660)]