12960340

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9127}}^1$

素因数の和:9207

約数の個数: 24

約数和(自身を含む): 27603072

約数和(自身を除く): 14642732

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 9127, 18254, 36508, 45635, 91270, 182540, 648017, 1296034, 2592068, 3240085, 6480170, 12960340]

約数ペア:

[(1, 12960340), (2, 6480170), (4, 3240085), (5, 2592068), (10, 1296034), (20, 648017), (71, 182540), (142, 91270), (284, 45635), (355, 36508), (710, 18254), (1420, 9127)]