13108640

素因数分解:

$2^5\times 5^1\times {\mathrm{81929}}^1$

素因数の和:81944

約数の個数: 24

約数和(自身を含む): 30969540

約数和(自身を除く): 17860900

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 81929, 163858, 327716, 409645, 655432, 819290, 1310864, 1638580, 2621728, 3277160, 6554320, 13108640]

約数ペア:

[(1, 13108640), (2, 6554320), (4, 3277160), (5, 2621728), (8, 1638580), (10, 1310864), (16, 819290), (20, 655432), (32, 409645), (40, 327716), (80, 163858), (160, 81929)]