12712640

素因数分解:

$2^6\times 5^1\times {\mathrm{39727}}^1$

素因数の和:39744

約数の個数: 28

約数和(自身を含む): 30272736

約数和(自身を除く): 17560096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 39727, 79454, 158908, 198635, 317816, 397270, 635632, 794540, 1271264, 1589080, 2542528, 3178160, 6356320, 12712640]

約数ペア:

[(1, 12712640), (2, 6356320), (4, 3178160), (5, 2542528), (8, 1589080), (10, 1271264), (16, 794540), (20, 635632), (32, 397270), (40, 317816), (64, 198635), (80, 158908), (160, 79454), (320, 39727)]