9997480

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2293}}^1$

素因数の和:2413

約数の個数: 32

約数和(自身を含む): 22710600

約数和(自身を除く): 12713120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 2293, 4360, 4586, 9172, 11465, 18344, 22930, 45860, 91720, 249937, 499874, 999748, 1249685, 1999496, 2499370, 4998740, 9997480]

約数ペア:

[(1, 9997480), (2, 4998740), (4, 2499370), (5, 1999496), (8, 1249685), (10, 999748), (20, 499874), (40, 249937), (109, 91720), (218, 45860), (436, 22930), (545, 18344), (872, 11465), (1090, 9172), (2180, 4586), (2293, 4360)]