1661036140

素因数分解:

$2^2\times 5^1\times {\mathrm{373}}^1\times {\mathrm{222659}}^1$

素因数の和:223041

約数の個数: 24

約数和(自身を含む): 3497543280

約数和(自身を除く): 1836507140

約数列:

[1, 2, 4, 5, 10, 20, 373, 746, 1492, 1865, 3730, 7460, 222659, 445318, 890636, 1113295, 2226590, 4453180, 83051807, 166103614, 332207228, 415259035, 830518070, 1661036140]

約数ペア:

[(1, 1661036140), (2, 830518070), (4, 415259035), (5, 332207228), (10, 166103614), (20, 83051807), (373, 4453180), (746, 2226590), (1492, 1113295), (1865, 890636), (3730, 445318), (7460, 222659)]