203468560

素因数分解:

$2^4\times 5^1\times {\mathrm{647}}^1\times {\mathrm{3931}}^1$

素因数の和:4591

約数の個数: 40

約数和(自身を含む): 473916096

約数和(自身を除く): 270447536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 647, 1294, 2588, 3235, 3931, 5176, 6470, 7862, 10352, 12940, 15724, 19655, 25880, 31448, 39310, 51760, 62896, 78620, 157240, 314480, 2543357, 5086714, 10173428, 12716785, 20346856, 25433570, 40693712, 50867140, 101734280, 203468560]

約数ペア:

[(1, 203468560), (2, 101734280), (4, 50867140), (5, 40693712), (8, 25433570), (10, 20346856), (16, 12716785), (20, 10173428), (40, 5086714), (80, 2543357), (647, 314480), (1294, 157240), (2588, 78620), (3235, 62896), (3931, 51760), (5176, 39310), (6470, 31448), (7862, 25880), (10352, 19655), (12940, 15724)]