2078485940

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{653}}^1\times {\mathrm{2609}}^1$

素因数の和:3332

約数の個数: 48

約数和(自身を含む): 4444871760

約数和(自身を除く): 2366385820

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 653, 1220, 1306, 2609, 2612, 3265, 5218, 6530, 10436, 13045, 13060, 26090, 39833, 52180, 79666, 159149, 159332, 199165, 318298, 398330, 636596, 795745, 796660, 1591490, 1703677, 3182980, 3407354, 6814708, 8518385, 17036770, 34073540, 103924297, 207848594, 415697188, 519621485, 1039242970, 2078485940]

約数ペア:

[(1, 2078485940), (2, 1039242970), (4, 519621485), (5, 415697188), (10, 207848594), (20, 103924297), (61, 34073540), (122, 17036770), (244, 8518385), (305, 6814708), (610, 3407354), (653, 3182980), (1220, 1703677), (1306, 1591490), (2609, 796660), (2612, 795745), (3265, 636596), (5218, 398330), (6530, 318298), (10436, 199165), (13045, 159332), (13060, 159149), (26090, 79666), (39833, 52180)]