7988740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21023}}^1$

素因数の和:21051

約数の個数: 24

約数和(自身を含む): 17660160

約数和(自身を除く): 9671420

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 21023, 42046, 84092, 105115, 210230, 399437, 420460, 798874, 1597748, 1997185, 3994370, 7988740]

約数ペア:

[(1, 7988740), (2, 3994370), (4, 1997185), (5, 1597748), (10, 798874), (19, 420460), (20, 399437), (38, 210230), (76, 105115), (95, 84092), (190, 42046), (380, 21023)]