13908640

素因数分解:

$2^5\times 5^1\times {\mathrm{86929}}^1$

素因数の和:86944

約数の個数: 24

約数和(自身を含む): 32859540

約数和(自身を除く): 18950900

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 86929, 173858, 347716, 434645, 695432, 869290, 1390864, 1738580, 2781728, 3477160, 6954320, 13908640]

約数ペア:

[(1, 13908640), (2, 6954320), (4, 3477160), (5, 2781728), (8, 1738580), (10, 1390864), (16, 869290), (20, 695432), (32, 434645), (40, 347716), (80, 173858), (160, 86929)]