31378760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{112067}}^1$

素因数の和:112085

約数の個数: 32

約数和(自身を含む): 80688960

約数和(自身を除く): 49310200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 112067, 224134, 448268, 560335, 784469, 896536, 1120670, 1568938, 2241340, 3137876, 3922345, 4482680, 6275752, 7844690, 15689380, 31378760]

約数ペア:

[(1, 31378760), (2, 15689380), (4, 7844690), (5, 6275752), (7, 4482680), (8, 3922345), (10, 3137876), (14, 2241340), (20, 1568938), (28, 1120670), (35, 896536), (40, 784469), (56, 560335), (70, 448268), (140, 224134), (280, 112067)]