8169640

素因数分解:

$2^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{1223}}^1$

素因数の和:1401

約数の個数: 32

約数和(自身を含む): 18506880

約数和(自身を除く): 10337240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 167, 334, 668, 835, 1223, 1336, 1670, 2446, 3340, 4892, 6115, 6680, 9784, 12230, 24460, 48920, 204241, 408482, 816964, 1021205, 1633928, 2042410, 4084820, 8169640]

約数ペア:

[(1, 8169640), (2, 4084820), (4, 2042410), (5, 1633928), (8, 1021205), (10, 816964), (20, 408482), (40, 204241), (167, 48920), (334, 24460), (668, 12230), (835, 9784), (1223, 6680), (1336, 6115), (1670, 4892), (2446, 3340)]