40145140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{286751}}^1$

素因数の和:286767

約数の個数: 24

約数和(自身を含む): 96348672

約数和(自身を除く): 56203532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 286751, 573502, 1147004, 1433755, 2007257, 2867510, 4014514, 5735020, 8029028, 10036285, 20072570, 40145140]

約数ペア:

[(1, 40145140), (2, 20072570), (4, 10036285), (5, 8029028), (7, 5735020), (10, 4014514), (14, 2867510), (20, 2007257), (28, 1433755), (35, 1147004), (70, 573502), (140, 286751)]