67409960

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{15461}}^1$

素因数の和:15581

約数の個数: 32

約数和(自身を含む): 153073800

約数和(自身を除く): 85663840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 15461, 30922, 61844, 77305, 123688, 154610, 309220, 618440, 1685249, 3370498, 6740996, 8426245, 13481992, 16852490, 33704980, 67409960]

約数ペア:

[(1, 67409960), (2, 33704980), (4, 16852490), (5, 13481992), (8, 8426245), (10, 6740996), (20, 3370498), (40, 1685249), (109, 618440), (218, 309220), (436, 154610), (545, 123688), (872, 77305), (1090, 61844), (2180, 30922), (4360, 15461)]