39310220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{881}}^1$

素因数の和:1010

約数の個数: 48

約数和(自身を含む): 87127488

約数和(自身を除く): 47817268

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 97, 115, 194, 230, 388, 460, 485, 881, 970, 1762, 1940, 2231, 3524, 4405, 4462, 8810, 8924, 11155, 17620, 20263, 22310, 40526, 44620, 81052, 85457, 101315, 170914, 202630, 341828, 405260, 427285, 854570, 1709140, 1965511, 3931022, 7862044, 9827555, 19655110, 39310220]

約数ペア:

[(1, 39310220), (2, 19655110), (4, 9827555), (5, 7862044), (10, 3931022), (20, 1965511), (23, 1709140), (46, 854570), (92, 427285), (97, 405260), (115, 341828), (194, 202630), (230, 170914), (388, 101315), (460, 85457), (485, 81052), (881, 44620), (970, 40526), (1762, 22310), (1940, 20263), (2231, 17620), (3524, 11155), (4405, 8924), (4462, 8810)]