90451660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{347891}}^1$

素因数の和:347913

約数の個数: 24

約数和(自身を含む): 204560496

約数和(自身を除く): 114108836

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 347891, 695782, 1391564, 1739455, 3478910, 4522583, 6957820, 9045166, 18090332, 22612915, 45225830, 90451660]

約数ペア:

[(1, 90451660), (2, 45225830), (4, 22612915), (5, 18090332), (10, 9045166), (13, 6957820), (20, 4522583), (26, 3478910), (52, 1739455), (65, 1391564), (130, 695782), (260, 347891)]