7970020

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{1787}}^1$

素因数の和:2019

約数の個数: 24

約数和(自身を含む): 16821504

約数和(自身を除く): 8851484

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 1787, 2230, 3574, 4460, 7148, 8935, 17870, 35740, 398501, 797002, 1594004, 1992505, 3985010, 7970020]

約数ペア:

[(1, 7970020), (2, 3985010), (4, 1992505), (5, 1594004), (10, 797002), (20, 398501), (223, 35740), (446, 17870), (892, 8935), (1115, 7148), (1787, 4460), (2230, 3574)]