28488640

素因数分解:

$2^6\times 5^1\times {\mathrm{127}}^1\times {\mathrm{701}}^1$

素因数の和:845

約数の個数: 56

約数和(自身を含む): 68470272

約数和(自身を除く): 39981632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 160, 254, 320, 508, 635, 701, 1016, 1270, 1402, 2032, 2540, 2804, 3505, 4064, 5080, 5608, 7010, 8128, 10160, 11216, 14020, 20320, 22432, 28040, 40640, 44864, 56080, 89027, 112160, 178054, 224320, 356108, 445135, 712216, 890270, 1424432, 1780540, 2848864, 3561080, 5697728, 7122160, 14244320, 28488640]

約数ペア:

[(1, 28488640), (2, 14244320), (4, 7122160), (5, 5697728), (8, 3561080), (10, 2848864), (16, 1780540), (20, 1424432), (32, 890270), (40, 712216), (64, 445135), (80, 356108), (127, 224320), (160, 178054), (254, 112160), (320, 89027), (508, 56080), (635, 44864), (701, 40640), (1016, 28040), (1270, 22432), (1402, 20320), (2032, 14020), (2540, 11216), (2804, 10160), (3505, 8128), (4064, 7010), (5080, 5608)]