13894040

素因数分解:

$2^3\times 5^1\times {\mathrm{419}}^1\times {\mathrm{829}}^1$

素因数の和:1259

約数の個数: 32

約数和(自身を含む): 31374000

約数和(自身を除く): 17479960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 419, 829, 838, 1658, 1676, 2095, 3316, 3352, 4145, 4190, 6632, 8290, 8380, 16580, 16760, 33160, 347351, 694702, 1389404, 1736755, 2778808, 3473510, 6947020, 13894040]

約数ペア:

[(1, 13894040), (2, 6947020), (4, 3473510), (5, 2778808), (8, 1736755), (10, 1389404), (20, 694702), (40, 347351), (419, 33160), (829, 16760), (838, 16580), (1658, 8380), (1676, 8290), (2095, 6632), (3316, 4190), (3352, 4145)]