130171880

素因数分解:

$2^3\times 5^1\times {\mathrm{457}}^1\times {\mathrm{7121}}^1$

素因数の和:7589

約数の個数: 32

約数和(自身を含む): 293568840

約数和(自身を除く): 163396960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 457, 914, 1828, 2285, 3656, 4570, 7121, 9140, 14242, 18280, 28484, 35605, 56968, 71210, 142420, 284840, 3254297, 6508594, 13017188, 16271485, 26034376, 32542970, 65085940, 130171880]

約数ペア:

[(1, 130171880), (2, 65085940), (4, 32542970), (5, 26034376), (8, 16271485), (10, 13017188), (20, 6508594), (40, 3254297), (457, 284840), (914, 142420), (1828, 71210), (2285, 56968), (3656, 35605), (4570, 28484), (7121, 18280), (9140, 14242)]