20745522050

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{1999}}^1\times {\mathrm{18869}}^1$

素因数の和:20891

約数の個数: 48

約数和(自身を含む): 42117840000

約数和(自身を除く): 21372317950

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 1999, 3998, 9995, 18869, 19990, 21989, 37738, 43978, 49975, 94345, 99950, 109945, 188690, 207559, 219890, 415118, 471725, 549725, 943450, 1037795, 1099450, 2075590, 5188975, 10377950, 37719131, 75438262, 188595655, 377191310, 414910441, 829820882, 942978275, 1885956550, 2074552205, 4149104410, 10372761025, 20745522050]

約数ペア:

[(1, 20745522050), (2, 10372761025), (5, 4149104410), (10, 2074552205), (11, 1885956550), (22, 942978275), (25, 829820882), (50, 414910441), (55, 377191310), (110, 188595655), (275, 75438262), (550, 37719131), (1999, 10377950), (3998, 5188975), (9995, 2075590), (18869, 1099450), (19990, 1037795), (21989, 943450), (37738, 549725), (43978, 471725), (49975, 415118), (94345, 219890), (99950, 207559), (109945, 188690)]