205173860

素因数分解:

$2^2\times 5^1\times {\mathrm{1871}}^1\times {\mathrm{5483}}^1$

素因数の和:7363

約数の個数: 24

約数和(自身を含む): 431174016

約数和(自身を除く): 226000156

約数列:

[1, 2, 4, 5, 10, 20, 1871, 3742, 5483, 7484, 9355, 10966, 18710, 21932, 27415, 37420, 54830, 109660, 10258693, 20517386, 41034772, 51293465, 102586930, 205173860]

約数ペア:

[(1, 205173860), (2, 102586930), (4, 51293465), (5, 41034772), (10, 20517386), (20, 10258693), (1871, 109660), (3742, 54830), (5483, 37420), (7484, 27415), (9355, 21932), (10966, 18710)]