27658340

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{5381}}^1$

素因数の和:5647

約数の個数: 24

約数和(自身を含む): 58319352

約数和(自身を除く): 30661012

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5140, 5381, 10762, 21524, 26905, 53810, 107620, 1382917, 2765834, 5531668, 6914585, 13829170, 27658340]

約数ペア:

[(1, 27658340), (2, 13829170), (4, 6914585), (5, 5531668), (10, 2765834), (20, 1382917), (257, 107620), (514, 53810), (1028, 26905), (1285, 21524), (2570, 10762), (5140, 5381)]