201232120

素因数分解:

$2^3\times 5^1\times {\mathrm{1019}}^1\times {\mathrm{4937}}^1$

素因数の和:5967

約数の個数: 32

約数和(自身を含む): 453308400

約数和(自身を除く): 252076280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1019, 2038, 4076, 4937, 5095, 8152, 9874, 10190, 19748, 20380, 24685, 39496, 40760, 49370, 98740, 197480, 5030803, 10061606, 20123212, 25154015, 40246424, 50308030, 100616060, 201232120]

約数ペア:

[(1, 201232120), (2, 100616060), (4, 50308030), (5, 40246424), (8, 25154015), (10, 20123212), (20, 10061606), (40, 5030803), (1019, 197480), (2038, 98740), (4076, 49370), (4937, 40760), (5095, 39496), (8152, 24685), (9874, 20380), (10190, 19748)]