78594160

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1$

素因数の和:322

約数の個数: 80

約数和(自身を含む): 188505792

約数和(自身を除く): 109911632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 101, 137, 142, 202, 274, 284, 355, 404, 505, 548, 568, 685, 710, 808, 1010, 1096, 1136, 1370, 1420, 1616, 2020, 2192, 2740, 2840, 4040, 5480, 5680, 7171, 8080, 9727, 10960, 13837, 14342, 19454, 27674, 28684, 35855, 38908, 48635, 55348, 57368, 69185, 71710, 77816, 97270, 110696, 114736, 138370, 143420, 155632, 194540, 221392, 276740, 286840, 389080, 553480, 573680, 778160, 982427, 1106960, 1964854, 3929708, 4912135, 7859416, 9824270, 15718832, 19648540, 39297080, 78594160]

約数ペア:

[(1, 78594160), (2, 39297080), (4, 19648540), (5, 15718832), (8, 9824270), (10, 7859416), (16, 4912135), (20, 3929708), (40, 1964854), (71, 1106960), (80, 982427), (101, 778160), (137, 573680), (142, 553480), (202, 389080), (274, 286840), (284, 276740), (355, 221392), (404, 194540), (505, 155632), (548, 143420), (568, 138370), (685, 114736), (710, 110696), (808, 97270), (1010, 77816), (1096, 71710), (1136, 69185), (1370, 57368), (1420, 55348), (1616, 48635), (2020, 38908), (2192, 35855), (2740, 28684), (2840, 27674), (4040, 19454), (5480, 14342), (5680, 13837), (7171, 10960), (8080, 9727)]