67429580

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{30931}}^1$

素因数の和:31049

約数の個数: 24

約数和(自身を含む): 142905840

約数和(自身を除く): 75476260

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 30931, 61862, 123724, 154655, 309310, 618620, 3371479, 6742958, 13485916, 16857395, 33714790, 67429580]

約数ペア:

[(1, 67429580), (2, 33714790), (4, 16857395), (5, 13485916), (10, 6742958), (20, 3371479), (109, 618620), (218, 309310), (436, 154655), (545, 123724), (1090, 61862), (2180, 30931)]