39880740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{664679}}^1$

素因数の和:664691

約数の個数: 24

約数和(自身を含む): 111666240

約数和(自身を除く): 71785500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 664679, 1329358, 1994037, 2658716, 3323395, 3988074, 6646790, 7976148, 9970185, 13293580, 19940370, 39880740]

約数ペア:

[(1, 39880740), (2, 19940370), (3, 13293580), (4, 9970185), (5, 7976148), (6, 6646790), (10, 3988074), (12, 3323395), (15, 2658716), (20, 1994037), (30, 1329358), (60, 664679)]