55418240

素因数分解:

$2^7\times 5^1\times {\mathrm{131}}^1\times {\mathrm{661}}^1$

素因数の和:811

約数の個数: 64

約数和(自身を含む): 133697520

約数和(自身を除く): 78279280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 131, 160, 262, 320, 524, 640, 655, 661, 1048, 1310, 1322, 2096, 2620, 2644, 3305, 4192, 5240, 5288, 6610, 8384, 10480, 10576, 13220, 16768, 20960, 21152, 26440, 41920, 42304, 52880, 83840, 84608, 86591, 105760, 173182, 211520, 346364, 423040, 432955, 692728, 865910, 1385456, 1731820, 2770912, 3463640, 5541824, 6927280, 11083648, 13854560, 27709120, 55418240]

約数ペア:

[(1, 55418240), (2, 27709120), (4, 13854560), (5, 11083648), (8, 6927280), (10, 5541824), (16, 3463640), (20, 2770912), (32, 1731820), (40, 1385456), (64, 865910), (80, 692728), (128, 432955), (131, 423040), (160, 346364), (262, 211520), (320, 173182), (524, 105760), (640, 86591), (655, 84608), (661, 83840), (1048, 52880), (1310, 42304), (1322, 41920), (2096, 26440), (2620, 21152), (2644, 20960), (3305, 16768), (4192, 13220), (5240, 10576), (5288, 10480), (6610, 8384)]