804908722180

素因数分解:

$2^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{2909}}^1\times {\mathrm{21383}}^1$

素因数の和:24948

約数の個数: 48

約数和(自身を含む): 1693582007040

約数和(自身を除く): 888673284860

約数列:

[1, 2, 4, 5, 10, 20, 647, 1294, 2588, 2909, 3235, 5818, 6470, 11636, 12940, 14545, 21383, 29090, 42766, 58180, 85532, 106915, 213830, 427660, 1882123, 3764246, 7528492, 9410615, 13834801, 18821230, 27669602, 37642460, 55339204, 62203147, 69174005, 124406294, 138348010, 248812588, 276696020, 311015735, 622031470, 1244062940, 40245436109, 80490872218, 160981744436, 201227180545, 402454361090, 804908722180]

約数ペア:

[(1, 804908722180), (2, 402454361090), (4, 201227180545), (5, 160981744436), (10, 80490872218), (20, 40245436109), (647, 1244062940), (1294, 622031470), (2588, 311015735), (2909, 276696020), (3235, 248812588), (5818, 138348010), (6470, 124406294), (11636, 69174005), (12940, 62203147), (14545, 55339204), (21383, 37642460), (29090, 27669602), (42766, 18821230), (58180, 13834801), (85532, 9410615), (106915, 7528492), (213830, 3764246), (427660, 1882123)]