201605860

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{51169}}^1$

素因数の和:51375

約数の個数: 24

約数和(自身を含む): 425529720

約数和(自身を除く): 223923860

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 51169, 102338, 204676, 255845, 511690, 1023380, 10080293, 20160586, 40321172, 50401465, 100802930, 201605860]

約数ペア:

[(1, 201605860), (2, 100802930), (4, 50401465), (5, 40321172), (10, 20160586), (20, 10080293), (197, 1023380), (394, 511690), (788, 255845), (985, 204676), (1970, 102338), (3940, 51169)]