2040640

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{911}}^1$

素因数の和:935

約数の個数: 56

約数和(自身を含む): 5559552

約数和(自身を除く): 3518912

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 911, 1120, 1822, 2240, 3644, 4555, 6377, 7288, 9110, 12754, 14576, 18220, 25508, 29152, 31885, 36440, 51016, 58304, 63770, 72880, 102032, 127540, 145760, 204064, 255080, 291520, 408128, 510160, 1020320, 2040640]

約数ペア:

[(1, 2040640), (2, 1020320), (4, 510160), (5, 408128), (7, 291520), (8, 255080), (10, 204064), (14, 145760), (16, 127540), (20, 102032), (28, 72880), (32, 63770), (35, 58304), (40, 51016), (56, 36440), (64, 31885), (70, 29152), (80, 25508), (112, 18220), (140, 14576), (160, 12754), (224, 9110), (280, 7288), (320, 6377), (448, 4555), (560, 3644), (911, 2240), (1120, 1822)]