13220440

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{4933}}^1$

素因数の和:5011

約数の個数: 32

約数和(自身を含む): 30196080

約数和(自身を除く): 16975640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 4933, 9866, 19732, 24665, 39464, 49330, 98660, 197320, 330511, 661022, 1322044, 1652555, 2644088, 3305110, 6610220, 13220440]

約数ペア:

[(1, 13220440), (2, 6610220), (4, 3305110), (5, 2644088), (8, 1652555), (10, 1322044), (20, 661022), (40, 330511), (67, 197320), (134, 98660), (268, 49330), (335, 39464), (536, 24665), (670, 19732), (1340, 9866), (2680, 4933)]