165404080

素因数分解:

$2^4\times 5^1\times {\mathrm{1019}}^1\times {\mathrm{2029}}^1$

素因数の和:3061

約数の個数: 40

約数和(自身を含む): 385131600

約数和(自身を除く): 219727520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1019, 2029, 2038, 4058, 4076, 5095, 8116, 8152, 10145, 10190, 16232, 16304, 20290, 20380, 32464, 40580, 40760, 81160, 81520, 162320, 2067551, 4135102, 8270204, 10337755, 16540408, 20675510, 33080816, 41351020, 82702040, 165404080]

約数ペア:

[(1, 165404080), (2, 82702040), (4, 41351020), (5, 33080816), (8, 20675510), (10, 16540408), (16, 10337755), (20, 8270204), (40, 4135102), (80, 2067551), (1019, 162320), (2029, 81520), (2038, 81160), (4058, 40760), (4076, 40580), (5095, 32464), (8116, 20380), (8152, 20290), (10145, 16304), (10190, 16232)]