3205820

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2029}}^1$

素因数の和:2117

約数の個数: 24

約数和(自身を含む): 6820800

約数和(自身を除く): 3614980

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 2029, 4058, 8116, 10145, 20290, 40580, 160291, 320582, 641164, 801455, 1602910, 3205820]

約数ペア:

[(1, 3205820), (2, 1602910), (4, 801455), (5, 641164), (10, 320582), (20, 160291), (79, 40580), (158, 20290), (316, 10145), (395, 8116), (790, 4058), (1580, 2029)]