205184080

素因数分解:

$2^4\times 5^1\times {\mathrm{349}}^1\times {\mathrm{7349}}^1$

素因数の和:7711

約数の個数: 40

約数和(自身を含む): 478485000

約数和(自身を除く): 273300920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 349, 698, 1396, 1745, 2792, 3490, 5584, 6980, 7349, 13960, 14698, 27920, 29396, 36745, 58792, 73490, 117584, 146980, 293960, 587920, 2564801, 5129602, 10259204, 12824005, 20518408, 25648010, 41036816, 51296020, 102592040, 205184080]

約数ペア:

[(1, 205184080), (2, 102592040), (4, 51296020), (5, 41036816), (8, 25648010), (10, 20518408), (16, 12824005), (20, 10259204), (40, 5129602), (80, 2564801), (349, 587920), (698, 293960), (1396, 146980), (1745, 117584), (2792, 73490), (3490, 58792), (5584, 36745), (6980, 29396), (7349, 27920), (13960, 14698)]