85384760

素因数分解:

$2^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{6449}}^1$

素因数の和:6791

約数の個数: 32

約数和(自身を含む): 192726000

約数和(自身を除く): 107341240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 331, 662, 1324, 1655, 2648, 3310, 6449, 6620, 12898, 13240, 25796, 32245, 51592, 64490, 128980, 257960, 2134619, 4269238, 8538476, 10673095, 17076952, 21346190, 42692380, 85384760]

約数ペア:

[(1, 85384760), (2, 42692380), (4, 21346190), (5, 17076952), (8, 10673095), (10, 8538476), (20, 4269238), (40, 2134619), (331, 257960), (662, 128980), (1324, 64490), (1655, 51592), (2648, 32245), (3310, 25796), (6449, 13240), (6620, 12898)]