3975940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{10463}}^1$

素因数の和:10491

約数の個数: 24

約数和(自身を含む): 8789760

約数和(自身を除く): 4813820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 10463, 20926, 41852, 52315, 104630, 198797, 209260, 397594, 795188, 993985, 1987970, 3975940]

約数ペア:

[(1, 3975940), (2, 1987970), (4, 993985), (5, 795188), (10, 397594), (19, 209260), (20, 198797), (38, 104630), (76, 52315), (95, 41852), (190, 20926), (380, 10463)]