206664560

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{20341}}^1$

素因数の和:20481

約数の個数: 40

約数和(自身を含む): 484302336

約数和(自身を除く): 277637776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 10160, 20341, 40682, 81364, 101705, 162728, 203410, 325456, 406820, 813640, 1627280, 2583307, 5166614, 10333228, 12916535, 20666456, 25833070, 41332912, 51666140, 103332280, 206664560]

約数ペア:

[(1, 206664560), (2, 103332280), (4, 51666140), (5, 41332912), (8, 25833070), (10, 20666456), (16, 12916535), (20, 10333228), (40, 5166614), (80, 2583307), (127, 1627280), (254, 813640), (508, 406820), (635, 325456), (1016, 203410), (1270, 162728), (2032, 101705), (2540, 81364), (5080, 40682), (10160, 20341)]