7420780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11969}}^1$

素因数の和:12009

約数の個数: 24

約数和(自身を含む): 16087680

約数和(自身を除く): 8666900

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 11969, 23938, 47876, 59845, 119690, 239380, 371039, 742078, 1484156, 1855195, 3710390, 7420780]

約数ペア:

[(1, 7420780), (2, 3710390), (4, 1855195), (5, 1484156), (10, 742078), (20, 371039), (31, 239380), (62, 119690), (124, 59845), (155, 47876), (310, 23938), (620, 11969)]