1275080

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{251}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 2903040

約数和(自身を除く): 1627960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 251, 254, 502, 508, 635, 1004, 1016, 1255, 1270, 2008, 2510, 2540, 5020, 5080, 10040, 31877, 63754, 127508, 159385, 255016, 318770, 637540, 1275080]

約数ペア:

[(1, 1275080), (2, 637540), (4, 318770), (5, 255016), (8, 159385), (10, 127508), (20, 63754), (40, 31877), (127, 10040), (251, 5080), (254, 5020), (502, 2540), (508, 2510), (635, 2008), (1004, 1270), (1016, 1255)]