40408585

素因数分解:

$5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:214

約数の個数: 48

約数和(自身を含む): 60279552

約数和(自身を除く): 19870967

約数列:

[1, 5, 7, 23, 35, 49, 71, 101, 115, 161, 245, 355, 497, 505, 707, 805, 1127, 1633, 2323, 2485, 3479, 3535, 4949, 5635, 7171, 8165, 11431, 11615, 16261, 17395, 24745, 35855, 50197, 57155, 80017, 81305, 113827, 164933, 250985, 351379, 400085, 569135, 824665, 1154531, 1756895, 5772655, 8081717, 40408585]

約数ペア:

[(1, 40408585), (5, 8081717), (7, 5772655), (23, 1756895), (35, 1154531), (49, 824665), (71, 569135), (101, 400085), (115, 351379), (161, 250985), (245, 164933), (355, 113827), (497, 81305), (505, 80017), (707, 57155), (805, 50197), (1127, 35855), (1633, 24745), (2323, 17395), (2485, 16261), (3479, 11615), (3535, 11431), (4949, 8165), (5635, 7171)]