77715920

素因数分解:

$2^4\times 5^1\times {\mathrm{367}}^1\times {\mathrm{2647}}^1$

素因数の和:3027

約数の個数: 40

約数和(自身を含む): 181250304

約数和(自身を除く): 103534384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 367, 734, 1468, 1835, 2647, 2936, 3670, 5294, 5872, 7340, 10588, 13235, 14680, 21176, 26470, 29360, 42352, 52940, 105880, 211760, 971449, 1942898, 3885796, 4857245, 7771592, 9714490, 15543184, 19428980, 38857960, 77715920]

約数ペア:

[(1, 77715920), (2, 38857960), (4, 19428980), (5, 15543184), (8, 9714490), (10, 7771592), (16, 4857245), (20, 3885796), (40, 1942898), (80, 971449), (367, 211760), (734, 105880), (1468, 52940), (1835, 42352), (2647, 29360), (2936, 26470), (3670, 21176), (5294, 14680), (5872, 13235), (7340, 10588)]