64006060

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{433}}^1$

素因数の和:850

約数の個数: 48

約数和(自身を含む): 142178400

約数和(自身を除く): 78172340

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 389, 433, 778, 866, 1556, 1732, 1945, 2165, 3890, 4330, 7391, 7780, 8227, 8660, 14782, 16454, 29564, 32908, 36955, 41135, 73910, 82270, 147820, 164540, 168437, 336874, 673748, 842185, 1684370, 3200303, 3368740, 6400606, 12801212, 16001515, 32003030, 64006060]

約数ペア:

[(1, 64006060), (2, 32003030), (4, 16001515), (5, 12801212), (10, 6400606), (19, 3368740), (20, 3200303), (38, 1684370), (76, 842185), (95, 673748), (190, 336874), (380, 168437), (389, 164540), (433, 147820), (778, 82270), (866, 73910), (1556, 41135), (1732, 36955), (1945, 32908), (2165, 29564), (3890, 16454), (4330, 14782), (7391, 8660), (7780, 8227)]