2654406980

素因数分解:

$2^2\times 5^1\times {\mathrm{3391}}^1\times {\mathrm{39139}}^1$

素因数の和:42539

約数の個数: 24

約数和(自身を含む): 5576040960

約数和(自身を除く): 2921633980

約数列:

[1, 2, 4, 5, 10, 20, 3391, 6782, 13564, 16955, 33910, 39139, 67820, 78278, 156556, 195695, 391390, 782780, 132720349, 265440698, 530881396, 663601745, 1327203490, 2654406980]

約数ペア:

[(1, 2654406980), (2, 1327203490), (4, 663601745), (5, 530881396), (10, 265440698), (20, 132720349), (3391, 782780), (6782, 391390), (13564, 195695), (16955, 156556), (33910, 78278), (39139, 67820)]