51490120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{117023}}^1$

素因数の和:117045

約数の個数: 32

約数和(自身を含む): 126385920

約数和(自身を除く): 74895800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 117023, 234046, 468092, 585115, 936184, 1170230, 1287253, 2340460, 2574506, 4680920, 5149012, 6436265, 10298024, 12872530, 25745060, 51490120]

約数ペア:

[(1, 51490120), (2, 25745060), (4, 12872530), (5, 10298024), (8, 6436265), (10, 5149012), (11, 4680920), (20, 2574506), (22, 2340460), (40, 1287253), (44, 1170230), (55, 936184), (88, 585115), (110, 468092), (220, 234046), (440, 117023)]