40740020

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{30403}}^1$

素因数の和:30479

約数の個数: 24

約数和(自身を含む): 86833824

約数和(自身を除く): 46093804

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 30403, 60806, 121612, 152015, 304030, 608060, 2037001, 4074002, 8148004, 10185005, 20370010, 40740020]

約数ペア:

[(1, 40740020), (2, 20370010), (4, 10185005), (5, 8148004), (10, 4074002), (20, 2037001), (67, 608060), (134, 304030), (268, 152015), (335, 121612), (670, 60806), (1340, 30403)]