156964865840

素因数分解:

$2^4\times 5^1\times {\mathrm{1962060823}}^1$

素因数の和:1962060836

約数の個数: 20

約数和(自身を含む): 364943313264

約数和(自身を除く): 207978447424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1962060823, 3924121646, 7848243292, 9810304115, 15696486584, 19620608230, 31392973168, 39241216460, 78482432920, 156964865840]

約数ペア:

[(1, 156964865840), (2, 78482432920), (4, 39241216460), (5, 31392973168), (8, 19620608230), (10, 15696486584), (16, 9810304115), (20, 7848243292), (40, 3924121646), (80, 1962060823)]