1295696680

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1\times {\mathrm{2341}}^1$

素因数の和:2590

約数の個数: 64

約数和(自身を含む): 2966939280

約数和(自身を除く): 1671242600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 137, 202, 274, 404, 505, 548, 685, 808, 1010, 1096, 1370, 2020, 2341, 2740, 4040, 4682, 5480, 9364, 11705, 13837, 18728, 23410, 27674, 46820, 55348, 69185, 93640, 110696, 138370, 236441, 276740, 320717, 472882, 553480, 641434, 945764, 1182205, 1282868, 1603585, 1891528, 2364410, 2565736, 3207170, 4728820, 6414340, 9457640, 12828680, 32392417, 64784834, 129569668, 161962085, 259139336, 323924170, 647848340, 1295696680]

約数ペア:

[(1, 1295696680), (2, 647848340), (4, 323924170), (5, 259139336), (8, 161962085), (10, 129569668), (20, 64784834), (40, 32392417), (101, 12828680), (137, 9457640), (202, 6414340), (274, 4728820), (404, 3207170), (505, 2565736), (548, 2364410), (685, 1891528), (808, 1603585), (1010, 1282868), (1096, 1182205), (1370, 945764), (2020, 641434), (2341, 553480), (2740, 472882), (4040, 320717), (4682, 276740), (5480, 236441), (9364, 138370), (11705, 110696), (13837, 93640), (18728, 69185), (23410, 55348), (27674, 46820)]