47539720

素因数分解:

$2^3\times 5^1\times {\mathrm{563}}^1\times {\mathrm{2111}}^1$

素因数の和:2685

約数の個数: 32

約数和(自身を含む): 107205120

約数和(自身を除く): 59665400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 563, 1126, 2111, 2252, 2815, 4222, 4504, 5630, 8444, 10555, 11260, 16888, 21110, 22520, 42220, 84440, 1188493, 2376986, 4753972, 5942465, 9507944, 11884930, 23769860, 47539720]

約数ペア:

[(1, 47539720), (2, 23769860), (4, 11884930), (5, 9507944), (8, 5942465), (10, 4753972), (20, 2376986), (40, 1188493), (563, 84440), (1126, 42220), (2111, 22520), (2252, 21110), (2815, 16888), (4222, 11260), (4504, 10555), (5630, 8444)]