2055580

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1301}}^1$

素因数の和:1389

約数の個数: 24

約数和(自身を含む): 4374720

約数和(自身を除く): 2319140

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1301, 1580, 2602, 5204, 6505, 13010, 26020, 102779, 205558, 411116, 513895, 1027790, 2055580]

約数ペア:

[(1, 2055580), (2, 1027790), (4, 513895), (5, 411116), (10, 205558), (20, 102779), (79, 26020), (158, 13010), (316, 6505), (395, 5204), (790, 2602), (1301, 1580)]