28737560

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{5657}}^1$

素因数の和:5795

約数の個数: 32

約数和(自身を含む): 65180160

約数和(自身を除く): 36442600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 5657, 11314, 22628, 28285, 45256, 56570, 113140, 226280, 718439, 1436878, 2873756, 3592195, 5747512, 7184390, 14368780, 28737560]

約数ペア:

[(1, 28737560), (2, 14368780), (4, 7184390), (5, 5747512), (8, 3592195), (10, 2873756), (20, 1436878), (40, 718439), (127, 226280), (254, 113140), (508, 56570), (635, 45256), (1016, 28285), (1270, 22628), (2540, 11314), (5080, 5657)]