54710840

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:392

約数の個数: 64

約数和(自身を含む): 127020960

約数和(自身を除く): 72310120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 131, 197, 212, 262, 265, 394, 424, 524, 530, 655, 788, 985, 1048, 1060, 1310, 1576, 1970, 2120, 2620, 3940, 5240, 6943, 7880, 10441, 13886, 20882, 25807, 27772, 34715, 41764, 51614, 52205, 55544, 69430, 83528, 103228, 104410, 129035, 138860, 206456, 208820, 258070, 277720, 417640, 516140, 1032280, 1367771, 2735542, 5471084, 6838855, 10942168, 13677710, 27355420, 54710840]

約数ペア:

[(1, 54710840), (2, 27355420), (4, 13677710), (5, 10942168), (8, 6838855), (10, 5471084), (20, 2735542), (40, 1367771), (53, 1032280), (106, 516140), (131, 417640), (197, 277720), (212, 258070), (262, 208820), (265, 206456), (394, 138860), (424, 129035), (524, 104410), (530, 103228), (655, 83528), (788, 69430), (985, 55544), (1048, 52205), (1060, 51614), (1310, 41764), (1576, 34715), (1970, 27772), (2120, 25807), (2620, 20882), (3940, 13886), (5240, 10441), (6943, 7880)]