85849180

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{30881}}^1$

素因数の和:31029

約数の個数: 24

約数和(自身を含む): 181586160

約数和(自身を除く): 95736980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 30881, 61762, 123524, 154405, 308810, 617620, 4292459, 8584918, 17169836, 21462295, 42924590, 85849180]

約数ペア:

[(1, 85849180), (2, 42924590), (4, 21462295), (5, 17169836), (10, 8584918), (20, 4292459), (139, 617620), (278, 308810), (556, 154405), (695, 123524), (1390, 61762), (2780, 30881)]