7321240

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1777}}^1$

素因数の和:1891

約数の個数: 32

約数和(自身を含む): 16642080

約数和(自身を除く): 9320840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 1777, 2060, 3554, 4120, 7108, 8885, 14216, 17770, 35540, 71080, 183031, 366062, 732124, 915155, 1464248, 1830310, 3660620, 7321240]

約数ペア:

[(1, 7321240), (2, 3660620), (4, 1830310), (5, 1464248), (8, 915155), (10, 732124), (20, 366062), (40, 183031), (103, 71080), (206, 35540), (412, 17770), (515, 14216), (824, 8885), (1030, 7108), (1777, 4120), (2060, 3554)]