67213480

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:370

約数の個数: 64

約数和(自身を含む): 155105280

約数和(自身を除く): 87891800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 127, 131, 202, 254, 262, 404, 505, 508, 524, 635, 655, 808, 1010, 1016, 1048, 1270, 1310, 2020, 2540, 2620, 4040, 5080, 5240, 12827, 13231, 16637, 25654, 26462, 33274, 51308, 52924, 64135, 66155, 66548, 83185, 102616, 105848, 128270, 132310, 133096, 166370, 256540, 264620, 332740, 513080, 529240, 665480, 1680337, 3360674, 6721348, 8401685, 13442696, 16803370, 33606740, 67213480]

約数ペア:

[(1, 67213480), (2, 33606740), (4, 16803370), (5, 13442696), (8, 8401685), (10, 6721348), (20, 3360674), (40, 1680337), (101, 665480), (127, 529240), (131, 513080), (202, 332740), (254, 264620), (262, 256540), (404, 166370), (505, 133096), (508, 132310), (524, 128270), (635, 105848), (655, 102616), (808, 83185), (1010, 66548), (1016, 66155), (1048, 64135), (1270, 52924), (1310, 51308), (2020, 33274), (2540, 26462), (2620, 25654), (4040, 16637), (5080, 13231), (5240, 12827)]