39983420

素因数分解:

$2^2\times 5^1\times {\mathrm{1399}}^1\times {\mathrm{1429}}^1$

素因数の和:2837

約数の個数: 24

約数和(自身を含む): 84084000

約数和(自身を除く): 44100580

約数列:

[1, 2, 4, 5, 10, 20, 1399, 1429, 2798, 2858, 5596, 5716, 6995, 7145, 13990, 14290, 27980, 28580, 1999171, 3998342, 7996684, 9995855, 19991710, 39983420]

約数ペア:

[(1, 39983420), (2, 19991710), (4, 9995855), (5, 7996684), (10, 3998342), (20, 1999171), (1399, 28580), (1429, 27980), (2798, 14290), (2858, 13990), (5596, 7145), (5716, 6995)]