20162482960

素因数分解:

$2^4\times 5^1\times {\mathrm{1949}}^1\times {\mathrm{129313}}^1$

素因数の和:131275

約数の個数: 40

約数和(自身を含む): 46902187800

約数和(自身を除く): 26739704840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1949, 3898, 7796, 9745, 15592, 19490, 31184, 38980, 77960, 129313, 155920, 258626, 517252, 646565, 1034504, 1293130, 2069008, 2586260, 5172520, 10345040, 252031037, 504062074, 1008124148, 1260155185, 2016248296, 2520310370, 4032496592, 5040620740, 10081241480, 20162482960]

約数ペア:

[(1, 20162482960), (2, 10081241480), (4, 5040620740), (5, 4032496592), (8, 2520310370), (10, 2016248296), (16, 1260155185), (20, 1008124148), (40, 504062074), (80, 252031037), (1949, 10345040), (3898, 5172520), (7796, 2586260), (9745, 2069008), (15592, 1293130), (19490, 1034504), (31184, 646565), (38980, 517252), (77960, 258626), (129313, 155920)]