31873780

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{14621}}^1$

素因数の和:14739

約数の個数: 24

約数和(自身を含む): 67553640

約数和(自身を除く): 35679860

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 14621, 29242, 58484, 73105, 146210, 292420, 1593689, 3187378, 6374756, 7968445, 15936890, 31873780]

約数ペア:

[(1, 31873780), (2, 15936890), (4, 7968445), (5, 6374756), (10, 3187378), (20, 1593689), (109, 292420), (218, 146210), (436, 73105), (545, 58484), (1090, 29242), (2180, 14621)]