2880720208

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{2687239}}^1$

素因数の和:2687314

約数の個数: 20

約数和(自身を含む): 5664701920

約数和(自身を除く): 2783981712

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 2687239, 5374478, 10748956, 21497912, 42995824, 180045013, 360090026, 720180052, 1440360104, 2880720208]

約数ペア:

[(1, 2880720208), (2, 1440360104), (4, 720180052), (8, 360090026), (16, 180045013), (67, 42995824), (134, 21497912), (268, 10748956), (536, 5374478), (1072, 2687239)]