7969640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{28463}}^1$

素因数の和:28481

約数の個数: 32

約数和(自身を含む): 20494080

約数和(自身を除く): 12524440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 28463, 56926, 113852, 142315, 199241, 227704, 284630, 398482, 569260, 796964, 996205, 1138520, 1593928, 1992410, 3984820, 7969640]

約数ペア:

[(1, 7969640), (2, 3984820), (4, 1992410), (5, 1593928), (7, 1138520), (8, 996205), (10, 796964), (14, 569260), (20, 398482), (28, 284630), (35, 227704), (40, 199241), (56, 142315), (70, 113852), (140, 56926), (280, 28463)]