7180040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{25643}}^1$

素因数の和:25661

約数の個数: 32

約数和(自身を含む): 18463680

約数和(自身を除く): 11283640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 25643, 51286, 102572, 128215, 179501, 205144, 256430, 359002, 512860, 718004, 897505, 1025720, 1436008, 1795010, 3590020, 7180040]

約数ペア:

[(1, 7180040), (2, 3590020), (4, 1795010), (5, 1436008), (7, 1025720), (8, 897505), (10, 718004), (14, 512860), (20, 359002), (28, 256430), (35, 205144), (40, 179501), (56, 128215), (70, 102572), (140, 51286), (280, 25643)]