31180540

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{14303}}^1$

素因数の和:14421

約数の個数: 24

約数和(自身を含む): 66084480

約数和(自身を除く): 34903940

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 14303, 28606, 57212, 71515, 143030, 286060, 1559027, 3118054, 6236108, 7795135, 15590270, 31180540]

約数ペア:

[(1, 31180540), (2, 15590270), (4, 7795135), (5, 6236108), (10, 3118054), (20, 1559027), (109, 286060), (218, 143030), (436, 71515), (545, 57212), (1090, 28606), (2180, 14303)]