76887560

素因数分解:

$2^3\times 5^1\times {\mathrm{487}}^1\times {\mathrm{3947}}^1$

素因数の和:4445

約数の個数: 32

約数和(自身を含む): 173396160

約数和(自身を除く): 96508600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 487, 974, 1948, 2435, 3896, 3947, 4870, 7894, 9740, 15788, 19480, 19735, 31576, 39470, 78940, 157880, 1922189, 3844378, 7688756, 9610945, 15377512, 19221890, 38443780, 76887560]

約数ペア:

[(1, 76887560), (2, 38443780), (4, 19221890), (5, 15377512), (8, 9610945), (10, 7688756), (20, 3844378), (40, 1922189), (487, 157880), (974, 78940), (1948, 39470), (2435, 31576), (3896, 19735), (3947, 19480), (4870, 15788), (7894, 9740)]