27651220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{33721}}^1$

素因数の和:33771

約数の個数: 24

約数和(自身を含む): 59485608

約数和(自身を除く): 31834388

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 33721, 67442, 134884, 168605, 337210, 674420, 1382561, 2765122, 5530244, 6912805, 13825610, 27651220]

約数ペア:

[(1, 27651220), (2, 13825610), (4, 6912805), (5, 5530244), (10, 2765122), (20, 1382561), (41, 674420), (82, 337210), (164, 168605), (205, 134884), (410, 67442), (820, 33721)]