55393940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{395671}}^1$

素因数の和:395687

約数の個数: 24

約数和(自身を含む): 132945792

約数和(自身を除く): 77551852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 395671, 791342, 1582684, 1978355, 2769697, 3956710, 5539394, 7913420, 11078788, 13848485, 27696970, 55393940]

約数ペア:

[(1, 55393940), (2, 27696970), (4, 13848485), (5, 11078788), (7, 7913420), (10, 5539394), (14, 3956710), (20, 2769697), (28, 1978355), (35, 1582684), (70, 791342), (140, 395671)]