4991560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17827}}^1$

素因数の和:17845

約数の個数: 32

約数和(自身を含む): 12836160

約数和(自身を除く): 7844600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 17827, 35654, 71308, 89135, 124789, 142616, 178270, 249578, 356540, 499156, 623945, 713080, 998312, 1247890, 2495780, 4991560]

約数ペア:

[(1, 4991560), (2, 2495780), (4, 1247890), (5, 998312), (7, 713080), (8, 623945), (10, 499156), (14, 356540), (20, 249578), (28, 178270), (35, 142616), (40, 124789), (56, 89135), (70, 71308), (140, 35654), (280, 17827)]