39997540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{647}}^1$

素因数の和:948

約数の個数: 48

約数和(自身を含む): 92098944

約数和(自身を除く): 52101404

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 281, 562, 647, 1124, 1294, 1405, 2588, 2810, 3091, 3235, 5620, 6182, 6470, 7117, 12364, 12940, 14234, 15455, 28468, 30910, 35585, 61820, 71170, 142340, 181807, 363614, 727228, 909035, 1818070, 1999877, 3636140, 3999754, 7999508, 9999385, 19998770, 39997540]

約数ペア:

[(1, 39997540), (2, 19998770), (4, 9999385), (5, 7999508), (10, 3999754), (11, 3636140), (20, 1999877), (22, 1818070), (44, 909035), (55, 727228), (110, 363614), (220, 181807), (281, 142340), (562, 71170), (647, 61820), (1124, 35585), (1294, 30910), (1405, 28468), (2588, 15455), (2810, 14234), (3091, 12940), (3235, 12364), (5620, 7117), (6182, 6470)]