56991880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{129527}}^1$

素因数の和:129549

約数の個数: 32

約数和(自身を含む): 139890240

約数和(自身を除く): 82898360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 129527, 259054, 518108, 647635, 1036216, 1295270, 1424797, 2590540, 2849594, 5181080, 5699188, 7123985, 11398376, 14247970, 28495940, 56991880]

約数ペア:

[(1, 56991880), (2, 28495940), (4, 14247970), (5, 11398376), (8, 7123985), (10, 5699188), (11, 5181080), (20, 2849594), (22, 2590540), (40, 1424797), (44, 1295270), (55, 1036216), (88, 647635), (110, 518108), (220, 259054), (440, 129527)]