42450280

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{4759}}^1$

素因数の和:4993

約数の個数: 32

約数和(自身を含む): 95961600

約数和(自身を除く): 53511320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 4460, 4759, 8920, 9518, 19036, 23795, 38072, 47590, 95180, 190360, 1061257, 2122514, 4245028, 5306285, 8490056, 10612570, 21225140, 42450280]

約数ペア:

[(1, 42450280), (2, 21225140), (4, 10612570), (5, 8490056), (8, 5306285), (10, 4245028), (20, 2122514), (40, 1061257), (223, 190360), (446, 95180), (892, 47590), (1115, 38072), (1784, 23795), (2230, 19036), (4460, 9518), (4759, 8920)]