27845780

素因数分解:

$2^2\times 5^1\times {\mathrm{809}}^1\times {\mathrm{1721}}^1$

素因数の和:2539

約数の個数: 24

約数和(自身を含む): 58582440

約数和(自身を除く): 30736660

約数列:

[1, 2, 4, 5, 10, 20, 809, 1618, 1721, 3236, 3442, 4045, 6884, 8090, 8605, 16180, 17210, 34420, 1392289, 2784578, 5569156, 6961445, 13922890, 27845780]

約数ペア:

[(1, 27845780), (2, 13922890), (4, 6961445), (5, 5569156), (10, 2784578), (20, 1392289), (809, 34420), (1618, 17210), (1721, 16180), (3236, 8605), (3442, 8090), (4045, 6884)]