31361780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{82531}}^1$

素因数の和:82559

約数の個数: 24

約数和(自身を含む): 69326880

約数和(自身を除く): 37965100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 82531, 165062, 330124, 412655, 825310, 1568089, 1650620, 3136178, 6272356, 7840445, 15680890, 31361780]

約数ペア:

[(1, 31361780), (2, 15680890), (4, 7840445), (5, 6272356), (10, 3136178), (19, 1650620), (20, 1568089), (38, 825310), (76, 412655), (95, 330124), (190, 165062), (380, 82531)]