16440460

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{12269}}^1$

素因数の和:12345

約数の個数: 24

約数和(自身を含む): 35043120

約数和(自身を除く): 18602660

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 12269, 24538, 49076, 61345, 122690, 245380, 822023, 1644046, 3288092, 4110115, 8220230, 16440460]

約数ペア:

[(1, 16440460), (2, 8220230), (4, 4110115), (5, 3288092), (10, 1644046), (20, 822023), (67, 245380), (134, 122690), (268, 61345), (335, 49076), (670, 24538), (1340, 12269)]