871566640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1556369}}^1$

素因数の和:1556389

約数の個数: 40

約数和(自身を含む): 2315878560

約数和(自身を除く): 1444311920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1556369, 3112738, 6225476, 7781845, 10894583, 12450952, 15563690, 21789166, 24901904, 31127380, 43578332, 54472915, 62254760, 87156664, 108945830, 124509520, 174313328, 217891660, 435783320, 871566640]

約数ペア:

[(1, 871566640), (2, 435783320), (4, 217891660), (5, 174313328), (7, 124509520), (8, 108945830), (10, 87156664), (14, 62254760), (16, 54472915), (20, 43578332), (28, 31127380), (35, 24901904), (40, 21789166), (56, 15563690), (70, 12450952), (80, 10894583), (112, 7781845), (140, 6225476), (280, 3112738), (560, 1556369)]