15846680

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2011}}^1$

素因数の和:2219

約数の個数: 32

約数和(自身を含む): 35853840

約数和(自身を除く): 20007160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 2011, 3940, 4022, 7880, 8044, 10055, 16088, 20110, 40220, 80440, 396167, 792334, 1584668, 1980835, 3169336, 3961670, 7923340, 15846680]

約数ペア:

[(1, 15846680), (2, 7923340), (4, 3961670), (5, 3169336), (8, 1980835), (10, 1584668), (20, 792334), (40, 396167), (197, 80440), (394, 40220), (788, 20110), (985, 16088), (1576, 10055), (1970, 8044), (2011, 7880), (3940, 4022)]