2877804920

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{660047}}^1$

素因数の和:660167

約数の個数: 32

約数和(自身を含む): 6534475200

約数和(自身を除く): 3656670280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 660047, 1320094, 2640188, 3300235, 5280376, 6600470, 13200940, 26401880, 71945123, 143890246, 287780492, 359725615, 575560984, 719451230, 1438902460, 2877804920]

約数ペア:

[(1, 2877804920), (2, 1438902460), (4, 719451230), (5, 575560984), (8, 359725615), (10, 287780492), (20, 143890246), (40, 71945123), (109, 26401880), (218, 13200940), (436, 6600470), (545, 5280376), (872, 3300235), (1090, 2640188), (2180, 1320094), (4360, 660047)]