164036620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{745621}}^1$

素因数の和:745641

約数の個数: 24

約数和(自身を含む): 375793488

約数和(自身を除く): 211756868

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 745621, 1491242, 2982484, 3728105, 7456210, 8201831, 14912420, 16403662, 32807324, 41009155, 82018310, 164036620]

約数ペア:

[(1, 164036620), (2, 82018310), (4, 41009155), (5, 32807324), (10, 16403662), (11, 14912420), (20, 8201831), (22, 7456210), (44, 3728105), (55, 2982484), (110, 1491242), (220, 745621)]