12804537320

素因数分解:

$2^3\times 5^1\times {\mathrm{320113433}}^1$

素因数の和:320113444

約数の個数: 16

約数和(自身を含む): 28810209060

約数和(自身を除く): 16005671740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 320113433, 640226866, 1280453732, 1600567165, 2560907464, 3201134330, 6402268660, 12804537320]

約数ペア:

[(1, 12804537320), (2, 6402268660), (4, 3201134330), (5, 2560907464), (8, 1600567165), (10, 1280453732), (20, 640226866), (40, 320113433)]