28534180

素因数分解:

$2^2\times 5^1\times {\mathrm{829}}^1\times {\mathrm{1721}}^1$

素因数の和:2559

約数の個数: 24

約数和(自身を含む): 60028920

約数和(自身を除く): 31494740

約数列:

[1, 2, 4, 5, 10, 20, 829, 1658, 1721, 3316, 3442, 4145, 6884, 8290, 8605, 16580, 17210, 34420, 1426709, 2853418, 5706836, 7133545, 14267090, 28534180]

約数ペア:

[(1, 28534180), (2, 14267090), (4, 7133545), (5, 5706836), (10, 2853418), (20, 1426709), (829, 34420), (1658, 17210), (1721, 16580), (3316, 8605), (3442, 8290), (4145, 6884)]