27478460

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{80819}}^1$

素因数の和:80845

約数の個数: 24

約数和(自身を含む): 61099920

約数和(自身を除く): 33621460

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 80819, 161638, 323276, 404095, 808190, 1373923, 1616380, 2747846, 5495692, 6869615, 13739230, 27478460]

約数ペア:

[(1, 27478460), (2, 13739230), (4, 6869615), (5, 5495692), (10, 2747846), (17, 1616380), (20, 1373923), (34, 808190), (68, 404095), (85, 323276), (170, 161638), (340, 80819)]