2055665180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{26107}}^1$

素因数の和:26274

約数の個数: 48

約数和(自身を含む): 4491411456

約数和(自身を除く): 2435746276

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 127, 155, 254, 310, 508, 620, 635, 1270, 2540, 3937, 7874, 15748, 19685, 26107, 39370, 52214, 78740, 104428, 130535, 261070, 522140, 809317, 1618634, 3237268, 3315589, 4046585, 6631178, 8093170, 13262356, 16186340, 16577945, 33155890, 66311780, 102783259, 205566518, 411133036, 513916295, 1027832590, 2055665180]

約数ペア:

[(1, 2055665180), (2, 1027832590), (4, 513916295), (5, 411133036), (10, 205566518), (20, 102783259), (31, 66311780), (62, 33155890), (124, 16577945), (127, 16186340), (155, 13262356), (254, 8093170), (310, 6631178), (508, 4046585), (620, 3315589), (635, 3237268), (1270, 1618634), (2540, 809317), (3937, 522140), (7874, 261070), (15748, 130535), (19685, 104428), (26107, 78740), (39370, 52214)]