255126280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{6637}}^1$

素因数の和:6710

約数の個数: 48

約数和(自身を含む): 593238060

約数和(自身を除く): 338111780

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 961, 1240, 1922, 3844, 4805, 6637, 7688, 9610, 13274, 19220, 26548, 33185, 38440, 53096, 66370, 132740, 205747, 265480, 411494, 822988, 1028735, 1645976, 2057470, 4114940, 6378157, 8229880, 12756314, 25512628, 31890785, 51025256, 63781570, 127563140, 255126280]

約数ペア:

[(1, 255126280), (2, 127563140), (4, 63781570), (5, 51025256), (8, 31890785), (10, 25512628), (20, 12756314), (31, 8229880), (40, 6378157), (62, 4114940), (124, 2057470), (155, 1645976), (248, 1028735), (310, 822988), (620, 411494), (961, 265480), (1240, 205747), (1922, 132740), (3844, 66370), (4805, 53096), (6637, 38440), (7688, 33185), (9610, 26548), (13274, 19220)]