380720

素因数分解:

$2^4\times 5^1\times {\mathrm{4759}}^1$

素因数の和:4772

約数の個数: 20

約数和(自身を含む): 885360

約数和(自身を除く): 504640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4759, 9518, 19036, 23795, 38072, 47590, 76144, 95180, 190360, 380720]

約数ペア:

[(1, 380720), (2, 190360), (4, 95180), (5, 76144), (8, 47590), (10, 38072), (16, 23795), (20, 19036), (40, 9518), (80, 4759)]