16118540

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{4091}}^1$

素因数の和:4297

約数の個数: 24

約数和(自身を含む): 34029072

約数和(自身を除く): 17910532

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 4091, 8182, 16364, 20455, 40910, 81820, 805927, 1611854, 3223708, 4029635, 8059270, 16118540]

約数ペア:

[(1, 16118540), (2, 8059270), (4, 4029635), (5, 3223708), (10, 1611854), (20, 805927), (197, 81820), (394, 40910), (788, 20455), (985, 16364), (1970, 8182), (3940, 4091)]