2009163880

素因数分解:

$2^3\times 5^1\times {\mathrm{2081}}^1\times {\mathrm{24137}}^1$

素因数の和:26229

約数の個数: 32

約数和(自身を含む): 4522978440

約数和(自身を除く): 2513814560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2081, 4162, 8324, 10405, 16648, 20810, 24137, 41620, 48274, 83240, 96548, 120685, 193096, 241370, 482740, 965480, 50229097, 100458194, 200916388, 251145485, 401832776, 502290970, 1004581940, 2009163880]

約数ペア:

[(1, 2009163880), (2, 1004581940), (4, 502290970), (5, 401832776), (8, 251145485), (10, 200916388), (20, 100458194), (40, 50229097), (2081, 965480), (4162, 482740), (8324, 241370), (10405, 193096), (16648, 120685), (20810, 96548), (24137, 83240), (41620, 48274)]