10689220

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2713}}^1$

素因数の和:2919

約数の個数: 24

約数和(自身を含む): 22569624

約数和(自身を除く): 11880404

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 2713, 3940, 5426, 10852, 13565, 27130, 54260, 534461, 1068922, 2137844, 2672305, 5344610, 10689220]

約数ペア:

[(1, 10689220), (2, 5344610), (4, 2672305), (5, 2137844), (10, 1068922), (20, 534461), (197, 54260), (394, 27130), (788, 13565), (985, 10852), (1970, 5426), (2713, 3940)]