91017740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{5827}}^1$

素因数の和:5918

約数の個数: 48

約数和(自身を含む): 211486464

約数和(自身を除く): 120468724

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 1420, 1562, 3124, 3905, 5827, 7810, 11654, 15620, 23308, 29135, 58270, 64097, 116540, 128194, 256388, 320485, 413717, 640970, 827434, 1281940, 1654868, 2068585, 4137170, 4550887, 8274340, 9101774, 18203548, 22754435, 45508870, 91017740]

約数ペア:

[(1, 91017740), (2, 45508870), (4, 22754435), (5, 18203548), (10, 9101774), (11, 8274340), (20, 4550887), (22, 4137170), (44, 2068585), (55, 1654868), (71, 1281940), (110, 827434), (142, 640970), (220, 413717), (284, 320485), (355, 256388), (710, 128194), (781, 116540), (1420, 64097), (1562, 58270), (3124, 29135), (3905, 23308), (5827, 15620), (7810, 11654)]