39540490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{3559}}^1$

素因数の和:3678

約数の個数: 32

約数和(自身を含む): 78433920

約数和(自身を除く): 38893430

約数列:

[1, 2, 5, 10, 11, 22, 55, 101, 110, 202, 505, 1010, 1111, 2222, 3559, 5555, 7118, 11110, 17795, 35590, 39149, 78298, 195745, 359459, 391490, 718918, 1797295, 3594590, 3954049, 7908098, 19770245, 39540490]

約数ペア:

[(1, 39540490), (2, 19770245), (5, 7908098), (10, 3954049), (11, 3594590), (22, 1797295), (55, 718918), (101, 391490), (110, 359459), (202, 195745), (505, 78298), (1010, 39149), (1111, 35590), (2222, 17795), (3559, 11110), (5555, 7118)]