67289660

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{20641}}^1$

素因数の和:20813

約数の個数: 24

約数和(自身を含む): 142182096

約数和(自身を除く): 74892436

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 20641, 41282, 82564, 103205, 206410, 412820, 3364483, 6728966, 13457932, 16822415, 33644830, 67289660]

約数ペア:

[(1, 67289660), (2, 33644830), (4, 16822415), (5, 13457932), (10, 6728966), (20, 3364483), (163, 412820), (326, 206410), (652, 103205), (815, 82564), (1630, 41282), (3260, 20641)]