5129398.00000000

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{8209}}^1$

素因数の和:8329

約数の個数: 32

約数和(自身を含む): 81279000

約数和(自身を除く): 45487760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 8209, 16418, 32836, 41045, 65672, 82090, 164180, 328360, 894781, 1789562, 3579124, 4473905, 7158248, 8947810, 17895620, 35791240]

約数ペア:

[(1, 35791240), (2, 17895620), (4, 8947810), (5, 7158248), (8, 4473905), (10, 3579124), (20, 1789562), (40, 894781), (109, 328360), (218, 164180), (436, 82090), (545, 65672), (872, 41045), (1090, 32836), (2180, 16418), (4360, 8209)]