66645160

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{87691}}^1$

素因数の和:87721

約数の個数: 32

約数和(自身を含む): 157845600

約数和(自身を除く): 91200440

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 87691, 175382, 350764, 438455, 701528, 876910, 1666129, 1753820, 3332258, 3507640, 6664516, 8330645, 13329032, 16661290, 33322580, 66645160]

約数ペア:

[(1, 66645160), (2, 33322580), (4, 16661290), (5, 13329032), (8, 8330645), (10, 6664516), (19, 3507640), (20, 3332258), (38, 1753820), (40, 1666129), (76, 876910), (95, 701528), (152, 438455), (190, 350764), (380, 175382), (760, 87691)]