127406980

素因数分解:

$2^2\times 5^1\times {\mathrm{1091}}^1\times {\mathrm{5839}}^1$

素因数の和:6939

約数の個数: 24

約数和(自身を含む): 267845760

約数和(自身を除く): 140438780

約数列:

[1, 2, 4, 5, 10, 20, 1091, 2182, 4364, 5455, 5839, 10910, 11678, 21820, 23356, 29195, 58390, 116780, 6370349, 12740698, 25481396, 31851745, 63703490, 127406980]

約数ペア:

[(1, 127406980), (2, 63703490), (4, 31851745), (5, 25481396), (10, 12740698), (20, 6370349), (1091, 116780), (2182, 58390), (4364, 29195), (5455, 23356), (5839, 21820), (10910, 11678)]