27709120

素因数分解:

$2^6\times 5^1\times {\mathrm{131}}^1\times {\mathrm{661}}^1$

素因数の和:809

約数の個数: 56

約数和(自身を含む): 66586608

約数和(自身を除く): 38877488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 131, 160, 262, 320, 524, 655, 661, 1048, 1310, 1322, 2096, 2620, 2644, 3305, 4192, 5240, 5288, 6610, 8384, 10480, 10576, 13220, 20960, 21152, 26440, 41920, 42304, 52880, 86591, 105760, 173182, 211520, 346364, 432955, 692728, 865910, 1385456, 1731820, 2770912, 3463640, 5541824, 6927280, 13854560, 27709120]

約数ペア:

[(1, 27709120), (2, 13854560), (4, 6927280), (5, 5541824), (8, 3463640), (10, 2770912), (16, 1731820), (20, 1385456), (32, 865910), (40, 692728), (64, 432955), (80, 346364), (131, 211520), (160, 173182), (262, 105760), (320, 86591), (524, 52880), (655, 42304), (661, 41920), (1048, 26440), (1310, 21152), (1322, 20960), (2096, 13220), (2620, 10576), (2644, 10480), (3305, 8384), (4192, 6610), (5240, 5288)]