31362980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{142559}}^1$

素因数の和:142579

約数の個数: 24

約数和(自身を含む): 71850240

約数和(自身を除く): 40487260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 142559, 285118, 570236, 712795, 1425590, 1568149, 2851180, 3136298, 6272596, 7840745, 15681490, 31362980]

約数ペア:

[(1, 31362980), (2, 15681490), (4, 7840745), (5, 6272596), (10, 3136298), (11, 2851180), (20, 1568149), (22, 1425590), (44, 712795), (55, 570236), (110, 285118), (220, 142559)]