1315880

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{491}}^1$

素因数の和:569

約数の個数: 32

約数和(自身を含む): 3011040

約数和(自身を除く): 1695160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 491, 536, 670, 982, 1340, 1964, 2455, 2680, 3928, 4910, 9820, 19640, 32897, 65794, 131588, 164485, 263176, 328970, 657940, 1315880]

約数ペア:

[(1, 1315880), (2, 657940), (4, 328970), (5, 263176), (8, 164485), (10, 131588), (20, 65794), (40, 32897), (67, 19640), (134, 9820), (268, 4910), (335, 3928), (491, 2680), (536, 2455), (670, 1964), (982, 1340)]