7201960

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{449}}^1$

素因数の和:861

約数の個数: 32

約数和(自身を含む): 16281000

約数和(自身を除く): 9079040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 449, 802, 898, 1604, 1796, 2005, 2245, 3208, 3592, 4010, 4490, 8020, 8980, 16040, 17960, 180049, 360098, 720196, 900245, 1440392, 1800490, 3600980, 7201960]

約数ペア:

[(1, 7201960), (2, 3600980), (4, 1800490), (5, 1440392), (8, 900245), (10, 720196), (20, 360098), (40, 180049), (401, 17960), (449, 16040), (802, 8980), (898, 8020), (1604, 4490), (1796, 4010), (2005, 3592), (2245, 3208)]