27319640

素因数分解:

$2^3\times 5^1\times {\mathrm{269}}^1\times {\mathrm{2539}}^1$

素因数の和:2819

約数の個数: 32

約数和(自身を含む): 61722000

約数和(自身を除く): 34402360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 269, 538, 1076, 1345, 2152, 2539, 2690, 5078, 5380, 10156, 10760, 12695, 20312, 25390, 50780, 101560, 682991, 1365982, 2731964, 3414955, 5463928, 6829910, 13659820, 27319640]

約数ペア:

[(1, 27319640), (2, 13659820), (4, 6829910), (5, 5463928), (8, 3414955), (10, 2731964), (20, 1365982), (40, 682991), (269, 101560), (538, 50780), (1076, 25390), (1345, 20312), (2152, 12695), (2539, 10760), (2690, 10156), (5078, 5380)]