27683140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{81421}}^1$

素因数の和:81447

約数の個数: 24

約数和(自身を含む): 61555032

約数和(自身を除く): 33871892

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 81421, 162842, 325684, 407105, 814210, 1384157, 1628420, 2768314, 5536628, 6920785, 13841570, 27683140]

約数ペア:

[(1, 27683140), (2, 13841570), (4, 6920785), (5, 5536628), (10, 2768314), (17, 1628420), (20, 1384157), (34, 814210), (68, 407105), (85, 325684), (170, 162842), (340, 81421)]