7826840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{27953}}^1$

素因数の和:27971

約数の個数: 32

約数和(自身を含む): 20126880

約数和(自身を除く): 12300040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 27953, 55906, 111812, 139765, 195671, 223624, 279530, 391342, 559060, 782684, 978355, 1118120, 1565368, 1956710, 3913420, 7826840]

約数ペア:

[(1, 7826840), (2, 3913420), (4, 1956710), (5, 1565368), (7, 1118120), (8, 978355), (10, 782684), (14, 559060), (20, 391342), (28, 279530), (35, 223624), (40, 195671), (56, 139765), (70, 111812), (140, 55906), (280, 27953)]