90828820

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{23053}}^1$

素因数の和:23259

約数の個数: 24

約数和(自身を含む): 191717064

約数和(自身を除く): 100888244

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 23053, 46106, 92212, 115265, 230530, 461060, 4541441, 9082882, 18165764, 22707205, 45414410, 90828820]

約数ペア:

[(1, 90828820), (2, 45414410), (4, 22707205), (5, 18165764), (10, 9082882), (20, 4541441), (197, 461060), (394, 230530), (788, 115265), (985, 92212), (1970, 46106), (3940, 23053)]