66447740

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{24251}}^1$

素因数の和:24397

約数の個数: 24

約数和(自身を含む): 140564592

約数和(自身を除く): 74116852

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 24251, 48502, 97004, 121255, 242510, 485020, 3322387, 6644774, 13289548, 16611935, 33223870, 66447740]

約数ペア:

[(1, 66447740), (2, 33223870), (4, 16611935), (5, 13289548), (10, 6644774), (20, 3322387), (137, 485020), (274, 242510), (548, 121255), (685, 97004), (1370, 48502), (2740, 24251)]