38945540

素因数分解:

$2^2\times 5^1\times {\mathrm{457}}^1\times {\mathrm{4261}}^1$

素因数の和:4727

約数の個数: 24

約数和(自身を含む): 81983832

約数和(自身を除く): 43038292

約数列:

[1, 2, 4, 5, 10, 20, 457, 914, 1828, 2285, 4261, 4570, 8522, 9140, 17044, 21305, 42610, 85220, 1947277, 3894554, 7789108, 9736385, 19472770, 38945540]

約数ペア:

[(1, 38945540), (2, 19472770), (4, 9736385), (5, 7789108), (10, 3894554), (20, 1947277), (457, 85220), (914, 42610), (1828, 21305), (2285, 17044), (4261, 9140), (4570, 8522)]