27624680

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^2\times {\mathrm{137}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 63503460

約数和(自身を除く): 35878780

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 137, 142, 274, 284, 355, 548, 568, 685, 710, 1096, 1370, 1420, 2740, 2840, 5041, 5480, 9727, 10082, 19454, 20164, 25205, 38908, 40328, 48635, 50410, 77816, 97270, 100820, 194540, 201640, 389080, 690617, 1381234, 2762468, 3453085, 5524936, 6906170, 13812340, 27624680]

約数ペア:

[(1, 27624680), (2, 13812340), (4, 6906170), (5, 5524936), (8, 3453085), (10, 2762468), (20, 1381234), (40, 690617), (71, 389080), (137, 201640), (142, 194540), (274, 100820), (284, 97270), (355, 77816), (548, 50410), (568, 48635), (685, 40328), (710, 38908), (1096, 25205), (1370, 20164), (1420, 19454), (2740, 10082), (2840, 9727), (5041, 5480)]