26987440

素因数分解:

$2^4\times 5^1\times {\mathrm{337343}}^1$

素因数の和:337356

約数の個数: 20

約数和(自身を含む): 62745984

約数和(自身を除く): 35758544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 337343, 674686, 1349372, 1686715, 2698744, 3373430, 5397488, 6746860, 13493720, 26987440]

約数ペア:

[(1, 26987440), (2, 13493720), (4, 6746860), (5, 5397488), (8, 3373430), (10, 2698744), (16, 1686715), (20, 1349372), (40, 674686), (80, 337343)]