68157680

素因数分解:

$2^4\times 5^1\times {\mathrm{851971}}^1$

素因数の和:851984

約数の個数: 20

約数和(自身を含む): 158466792

約数和(自身を除く): 90309112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 851971, 1703942, 3407884, 4259855, 6815768, 8519710, 13631536, 17039420, 34078840, 68157680]

約数ペア:

[(1, 68157680), (2, 34078840), (4, 17039420), (5, 13631536), (8, 8519710), (10, 6815768), (16, 4259855), (20, 3407884), (40, 1703942), (80, 851971)]